Research Notes

Research Notes provide an overview of research in progress to a general audience. Released at the beginning of a research task, the notes describe the research need, methodology, goal, benefits, milestones, and next steps. This is a copy of the Research Notes Content Template .

Advanced Research

Task 2926 - Roadway Detector System Evaluation (PDF) - May 2024
Task 3465 - Deep-learning-based radio channel prediction for vehicle-to-vehicle communications (PDF) - May 2024
Task 3614 - Connected Vehicle - Pooled Fund Study- TPF-5(389) (PDF) - May 2024
Task 3743 - I-10 Connected Corridor Coalition Truck Parking Availability System (TPAS) (PDF) - May 2024
Task 3789 - Partners for Advanced Transportation Technology (PATH) Research Program (PDF) - May 2024
Task 3900 - A Roadmap For Flow Smoothing Via Connected And Automated Vehicles(CAV) In California (PDF) - May 2024
Task 3933 - Work zone Research (PDF) - May 2024
Task 4005 - Next Generation C1 Loop Detector Reader (PDF) - May 2024
Task 4067 - Connected and Automated Vehicle Cross Cutting Research (PDF) - May 2024
Task 4081 - Guidance on Road Side Units Placement for Future Deployment of Connected and Automated Vehicle Applications (PDF) - May 2024
Task 4152 - Automated Vehicle (AV) Testing Data Sharing and Data Analytics (PDF) - May 2024
Task 4260 - Future Mobility Research Support Center (PDF) - May 2024
Task 3639 - FHWA Truck Platooning Early Deployment Assessment Phase 2 (PDF) - May 2023
Task 3747 - MMITSS Phase III Extension for Additional Enhancements (PDF) - May 2023
Task 3459 - Improving the Accuracy of Intersection Counts and Densities for Measuring Urban Street Network Compactness and Resilience (PDF) - February 2023
Task 3709 - Application Development For Connected Fleet (PDF) - February 2023
Task 3688 - Utilizing Connected And Automated Vehicles (CAVs) As Floating Sensors For Cooperative Traffic Control And Road Condition Monitoring (PDF) - December 2021
Task 3717 - Collect Data Using Connected Vehicles (CV) For Real-Time Or Future Use (PDF) - December 2021
Task 3939 - Sustainability Performance of Urban Freight Corridors through Connected Vehicle Technology (PDF) - November 2021
Task 3309 - Red Light Violation Warning (RLVW) over Cellular Network: A Comparative Study Between Dedicated Short Range Communications (DSRC) and Fourth Generation Long Term Evolution (4G/LTE) Technologies for RLVW (PDF) - January 2021
Task 3329 - Research Synthesis and Engagement of the National Center for Sustainable Transportation Caltrans Research Program (PDF) - December 2020
Task 2061 - Support for Research and Deployment of System Ops Applications of VII; TPF-5(206) (PDF) - May 2020
Task 3500 - Advanced Road Charge Modeling (PDF) - May 2020

Task 3286 - Gravel-Bed River Assessment Tool for Improved Resiliency of Engineering Design (PDF) - May 2024
Task 3526 - Measuring Non-Recurrent Traffic Congestion (PDF) - May 2024
Task 3836 - Orange Temporary Pavement Delineation in Construction Zones (PDF) - May 2024
Task 3839 - Richmond San-Rafael Bridge and Sir Francis Drake Pilot (Phase II) (PDF) - May 2024
Task 3909 - Safety of Earthern Stormwater Infiltration Best management Practices (BMP) Adjacent to Highways - Phase II (PDF) - May 2024
Task 3911 - Determine Regional Sediment Bulking Methods for Northern California in Support of Wildfire Mitigation (PDF) - May 2024
Task 4017 - Building Information Modeling (BIM) for Infrastructure (PDF) - May 2024
Task 4239 - Concrete and Asphalt Pavement Smoothness and Asphalt Quality Incentive/Disincentive Analysis (PDF) - May 2024
Task 4322 - Development of a Worker Safety Performance Estimation Tool (PDF) - May 2024
Task 4189 - Point cloud feature extraction for ADA ramp compliance assessment (PDF) - January 2024

Environmental

Task 3237 - Soil Amendment Guidance for Infiltration and Stormwater Treatment (PDF) - May 2024
Task 3375 - Local and State Government Policies to Improve Pavement Sustainability with New Materials (PDF) - May 2024
Task 3697 - Standardizing Environmental DNA Methodologies for Coho Salmon (PDF) - May 2024
Task 3783 - Response of San Joaquin Kit Foxes to Road Construction Project Sites: Mitigation Strategies to Minimize Project Delays and Impacts (PDF) - May 2024
Task 3784 - Evaluating Roadway Trash and Migration to Receiving Water (PDF) - May 2024
Task 3785 - An Assessment of Paved Road Dust Emissions (Road Dust) Modeling Methods (PDF) - May 2024
Task 3787 - Roadway Crossings for Sensitive Amphibians and Reptiles: Phase II (PDF) - May 2024
Task 4051 - Behavior in Vegetative Barriers of Aerosol Particulate Matter 2.5 (PM '2.5') and PM '10' along Highways (PDF) - May 2024
Task 4052 - Address Microplastics from Thermoplastic Stripe and Markings (PDF) - May 2024
Task 4054 - Stone Lagoon U.S. 101 Elk Electronic Detection System (PDF) - May 2024
Task 3263 - Quantify the Effect of Roadside Barrier on Near Road Air Pollutant Dispersion and Concentration (PDF) - April 2023
Task 3696 - Effects of LED Lighting on Terrestrial Wildlife (PDF) - April 2023
Task 3357 - Assessing the Potential Impacts of Toll Discounts on ZEV Adoption (PDF) - May 2022

Equipment

Task 3869 - Investigating Teleoperated Equipment for Use in Caltrans Operations (PDF) - May 2024
Task 4137 - Field Study of Battery-Electric Sweepers (PDF) - May 2024
Task 4288 - Evaluation of Mobile Robot Teams for Security of Caltrans Equipment Yards and Maintenance Stations (PDF) - April 2024
Task 4409 - Mobile Electric Vehicle DCFC Infrastructure Deployment Opportunities (PDF) - April 2024
Task 4153 - Evaluation of Advanced Security Systems for Caltrans Equipment Yards/Maintenance Stations (PDF) - April 2024
Task 4288 - Evaluation of Mobile Robot Teams for Security of Caltrans Equipment Yards and Maintenance Stations (PDF) - July 2023
Task 4131 - Zero Emission vehicle (ZEV) Tool Enhancement (PDF) - February 2023

Executive

Task 4175 - Induced travel effects from various improvements to highways other than lane additions (PDF) - May 2024
Task 4183 - Application of Enterprise GIS TPF-5 (431) (PDF) - March 2024
Task 3523 - Evaluating Benefits from Transportation Investments aligned with the Climate Action Plan for Transportation Infrastructure (CAPTI) (PDF) - June 2023
Task 3988 - Further Implications of Freeway Siting in California: An Equity, Geospatial, and Case Study Approach (PDF) - June 2023
Task 3695 - Assessment of VMT Mitigation Actions (PDF) - November 2022
Task 4180 - Advanced Measurement of Transportation Accessibility for Multimodal Decision Making (PDF) - October 2022

Geotechnical/Structures

Task 1780 - Generation-2 Bridge Fragility Relationships, Production Analytical Components (PDF) - May 2024
Task 2746 - Technology Transfer Concrete Consortium [TPF-5(437)] - May 2024
Task 3030 - Type 15-FBS Breakaway Pole Replacement Development and Testing (PDF) - May 2024
Task 3169 - MASH 2016 Compliance of Roadside Safety Features (PDF) - May 2024
Task 3384 - Developing A Framework for the Assessment and Implementation of Innovative Concrete Construction Materials (PDF) - May 2024
Task 3668 - Refined Bridge Deck Design and Analysis (PDF) - May 2024
Task 3673 - In-Service Structural Evaluation of Box Beam Overhead Sign Structures (PDF) - May 2024
Task 3677 - Statistical Variation of Seismic Damage Index (DI) of California Bridges (PDF) - May 2024
Task 3684 - Second Order Effects on the Design of Slender Reinforced Concrete Bridge Columns (PDF) - May 2024
Task 3699 - UCLA Geohazards Program (PDF) - May 2024
Task 3703 - Bridge Rapid Assessment Center for Extreme Events (PDF) - May 2024
Task 3798 - Determination of Recovery Bridge Corridors by Comparing Post EQ Network (PDF) - May 2024
Task 3800 - Implementation of Advanced Technology and Materials Recycling Techniques for Use of Alternative Materials in Concrete as Plain or Reinforced Materials (PDF) - May 2024
Task 3945 - Evaluation of Seismic Design for Temporary Structures (PDF) - May 2024
Task 4028 - Development of Design Evaluation Criteria in Performance Based Seismic Design (PBSD) of Cut and Cover Tunnel (PDF) - May 2024
Task 4037 - Analysis and Model Test of Buried Structures Crossing Highways under Seismic Loading (PDF) - May 2024
Task 4280 - Estimating the residual fatigue life through a novel integrated system-component-material-based process (PDF) - May 2024
Task 4281 - Bridge Rapid Assessment Center for Extreme Events (BRACE2) - Phase II (PDF) - May 2024
Task 4291 - Model Test for Structures Crossing Highways Under Seismic Loading (PDF) - May 2024
Task 4332 - Implementation of Advanced Sustainability and Performance-Based Practices for Concrete Infrastructure (PDF) - May 2024
Task 4398 - Building Information Modeling (BIM) for Bridges and Structures – Phase II [TPF-5(523)] (PDF) - May 2024
Task 4416 - Caltrans Risk-Based Seismic Design (CT-RBSD) for Bridges (PDF) - May 2024
Task 4417 - New Near-Fault Adjustment Factors for Caltrans Seismic Design Criteria (PDF) - May 2024
Task 4418 - Next Generation Liquefaction (NGL) Models for Predicting Triggering and Manifestation of Liquefaction (PDF) - May 2024
Task 4420 - Uncertainty Quantification for Meeting Bridge Design Objectives (PDF) - May 2024
Task 3474 - Development and testing of a novel anchor-profiled FRP jacket system for effective confinement of rectangular concrete columns (PDF) - April 2024
Task 3738 - Behavior of Reinforced and Unreinforced Lightweight Cellular Concrete for Retaining Walls (PDF) - April 2024
Task 4421 - Development of Performance-Based Multihazard Engineering (PBME) Framework with Inclusion of Climate Change and Bridge Vulnerability (PDF) - April 2024
Task 3946 - Consequences-Based Analysis of Undrained Shear Behavior of Soils and Liquefaction Hazards, Phase 1: Filling the Data Gaps (PDF) - March 2024
Task 3982 - Evaluation of Soil Plug Geotechnical Resistance in the Design of CISS Piles (PDF) - February 2024
Task 3031 - Type 85 Concrete Bridge Rail Development and Testing (PDF) - January 2024
Task 3170 - Type 86H Concrete Barrier Rail (PDF) - December 2023
Task 4026 - Development of Headed Bar Reinforcement (PDF) - May 2023
Task 4039 - Develop a Seismic Risk Matrix to Rank Caltrans Tunnel Inventory (PDF) – March 2023
Task 3666 - Development of Effective Accelerated Bridge Construction (ABC) Methods for Bridge Abutment design and Construction (PDF) - February 2022
Task 3984 - Seismic Design of Bridge Pier Walls (PDF) - December 2021
Task 3646 - Post-tensioned Box Girder deck rehabilitation using UHPC (PDF) - November 2021
Task 3796 - Geotechnical Resistance Capacity and Stress Distribution of Soil/Grout Interface of Ground Anchors in Various Soil/Rock Conditions using Continuous Fiber Optics Strain Technology and Strain Compatibility Methodology (PDF) - November 2021
Task 3671 - Impact of Installation Method on Side Resistance of Permanent Steel Casings (PDF) - December 2020
Task 3745 - PEER - Bridge Program (Pacific Earthquake Research Center) (PDF) - December 2020
Task 3242 - Building Information Modeling (BIM) for Bridges and Structures, TPF-5(372) (PDF) - August 2020
Task 3261 - Development of Structural Design Guide for Ultra High Performance Concrete Transportation Pooled Fund Program, TPF-5(366) (PDF) - August 2020
Task 3603 - Evaluation of Lateral Pile Resistance near Mechanically Stabilized Earth (MSE) Walls at a Dedicated Wall Site (Phase 2), TPF-5(381) (PDF) - August 2020

Maintenance

Task 2949 - ShakeCast, Connecting the DOTs (PDF) - May 2024
Task 3625 - Western Maintenance Partnership - Phase 3 TPF -5 (394) (PDF) - May 2024
Task 3704 - Evaluation of Commercial Forward-Looking Infrared Driver Assistance Technology for use in Emergency Tow Trucks and Snowplows (PDF) - May 2024
Task 3919 - Targeted Warning Messages to Protect Moving and Stationary Maintenance Lane Closures (PDF) - May 2024
Task 4128 - Evaluation of Commercial Forward-Looking Infrared Driver Assistance Technology for use in Emergency Tow Trucks and Snowplows (PDF) - May 2024
Task 4158 - Field Trials of the TMAA (PDF) - May 2024
Task 4159 - Caltrans Field Trials of the Intelligent Truck-Mounted Attenuator (ITMA) (PDF)- May 2024
Task 4161 - Evaluation of Remote Operation of Truck-Mounted Attenuator (TMA)-Equipped Shadow Vehicles for Use in Caltrans' Operations (PDF) - May 2024
Task 4299 - Heavy Equipment Simulator Training Optimization (PDF) - May 2024
Task 4309 - Evaluating the Robotic Maintenance Vehicle for Crack Sealing Applications (PDF) - May 2024
Task 4332 - Implementation of Advanced Sustainability and Performance-Based Practices for Concrete Infrastructure (PDF) - May 2024
Task 4295 - Evaluation of an Electric Skid Steer Loader for Use in Caltrans Operations (PDF) - April 2024
Task 4316 - Evaluation of Battery-Powered Compact Low-profile Loaders (PDF) - April 2024
Task 3926 - Evaluation of Unmanned Surface Vessel-Based Topographic and Bathymetric Survey System in Flood Conditions (PDF) - March 2024
Task 4013 - Clear Roads Phase III TPF-5(479) (PDF) - March 2024
Task 4165 - Avalanche Research Pooled Fund 2.0 TPF-5(497) (PDF) - March 2024
Task 3258 - Autonomous Maintenance Technology Pooled Fund TPF-5(380) (PDF) - February 2024
Task 3611 - Traffic Disruption-Free Bridge Inspection Initiative with Robotic Systems (PDF) - February 2024
Task 3875 - Pilot Testing of Work Zone Intrusion Alarms (PDF) - February 2024
Task 4158 - Field Trials of the Truck-Mounted Attenuator Accessory (TMAA) (PDF) - December 2023
Task 4183 - Applications of Enterprise GIS in Transportation (AEGIST) Pooled Fund Study TPF-5(431) (PDF) - February 2023
Task 3735 - No Boundaries Transportation Maintenance Innovations (PDF) - August 2022
Task 3157 - Clear Roads Phase II TPF-5(353) (PDF) - September 2021
Task 3229 - Avalanche Research Pooled Fund TPF-5(337) (PDF) - September 2021
Task 3255 - Mountain Pass Road Opening (MPRO) Implementation and Training (PDF) - September 2021

Modal

Task 3468 - How to Enhance Student Outcomes While Strengthening Transit (PDF) - May 2024
Task 3514 - Measurement and Prediction of Transit System Performance Using Probe Data Generated through DSRC and non-DSRC Technologies (PDF) - May 2024
Task 3515 - Advancing Adoption of General Specification Feed (GTFS) Programs in California (PDF) - May 2024
Task 3917 - Recommendations for Update of California Airport Land Use Handbook (PDF) - May 2024
Task 4093 - Survey: Causes of Transit Operator Shortages (PDF) - May 2024
Task 4097 - Caltrans UAS-Related Driver Distraction Research (PDF) - May 2024
Task 4194 - Assessment of State Assets for AAM Integration and Development of State Workplan (PDF) - May 2024
Task 4325 - Strategies for Improving Safety and Efficiency of Interaction Between Surface Traffic and Trunkline Transit (PDF) - May 2024
Task 3757 - Development of Integrated Unmanned Aerial Systems (UAS) Validation Center (PDF) - December 2023
Task 3520 - Land Use Analysis on Vertiports Based on a Case Study of the San Francisco Bay Area (PDF) - May 2023
Task 3657 - Developing segment and intersection-level BLOS measures for the SHS (PDF) - May 2023
Task 3757 - Development of Integrated Unmanned Aerial Systems (UAS) Validation Center (PDF) - May 2023
Task 3913 - Digital Mobility Assistant for Disabled Transit Users (PDF) - May 2023
Task 3788 - Further Development of a Deployable Integrated Transit Operations System (IDTO), Phase 2.5 (PDF) - November 2022
Task 3923 - Advanced Air Mobility Digitization (PDF) - June 2022
Task 4145 - Estimating Transit-Based Evacuation Demand in Wildfires (PDF) - June 2022

Pavement

Task 3761 - Partnered Pavement Research Center (PPRC) 20: Mechanistic-Empirical Design (PDF) - May 2024
Task 3809 - Mechanistic Empirical (ME) Design: Standard Materials (PDF) - May 2024
Task 3810 - Further Improvement for CalME and Integration with PRS Into Routine Practice (PDF) - May 2024
Task 3816 - Performance Related Specifications for Rubberized Asphalt Binder (PDF) - May 2024
Task 3977 - New Rubberized Hot Mix Asphalt (RHMA) with Recycled Asphalt Pavement (RAP) /Recycled Asphalt Singles (RAS) for Interlayers and Base for Rigid Pavements (PDF) - May 2024
Task 3999 - Improve pavement surface distress and transverse profile data collection and analysis, Phase II (PDF) - May 2024
Task 4012 - Realtime Monitoring of Concrete Strength to Determine Optimal Traffic Opening Time [TPF-5(471)] (PDF) - May 2024
Task 4099 - Partnered Pavement Research Center (PPRC) 23: Sustainability (PDF) - May 2024
Task 4189 - Point cloud feature extraction for ADA ramp compliance assessment (PDF) - May 2024
Task 4200 - Partnered Pavement Research Center (PPRC) 23: Mechanistic-Empirical Design (PDF) - May 2024
Task 4201 - Partnered Pavement Research Center (PPRC) 23: Mechanistic-Empirical Design (PDF) - May 2024
Task 4205 - Partnered Pavement Research Center (PPRC) 23: Recycling (PDF) - May 2024
Task 4207 - Partnered Pavement Research Center (PPRC) 23: Sustainability (PDF) - May 2024
Task 4209 - PPRC23: Pavement Management System (PDF) - May 2024
Task 4214 - Continued Support for Implementation of Performance Related Tests and Specifications for Balanced Mix Design, Increased Recycling of Asphalt Mixes, and Integration of Mix Design and Structural Design (PDF) - May 2024
Task 4215 - Evaluation of Fine Dry Rubberized Asphalt Mixes and Inclusion in Performance - Related Specifications (PDF) - May 2024
Task 4225 - Partnered Pavement Research Center (PPRC) 23: Mechanistic-Empirical Design (PDF) - May 2024
Task 4226 - Piloting of Cold Recycling and New Asphalt Base Designs and Interlayers for Concrete Pavements (PDF) - May 2024
Task 4252 - Partnered Pavement Research Center (PPRC) 23: Pavement Management System (PDF) - May 2024
Task 4253 - PPRC23: Pavement Management System (PDF) - May 2024
Task 4258 - Partnered Pavement Research Center (PPRC) 23: Recycling (PDF) - May 2024
Task 4259 - PPRC23: Pavement Management System (PDF) - May 2024
Task 4391 - Partnered Pavement Research Center (PPRC) 23: Recycling (PDF) - May 2024
Task 3925 - PAV: National Road Research Alliance – NRRA, phase 2 TPF-5(466) (PDF) - March 2024
Task 4184 - PAV TPF 1560: LTPP Forensic Investigations, Stage 2 (PDF) - March 2024
Task 4185 - PAV TPF 1566: V-Kelly Slipform Paving Vibration Test (PDF) - March 2024
Task 4186 - PAV TPF 1542: Advance New Pavement Technologies (PDF) - March 2024
Task 3701 - Pavement Structural Evaluation with Traffic Deflection Devices (TSDDs) (PDF) - February 2024
Task 3724 - Technology Exchange on Managing Pavements (PDF) - February 2024
Task 3766 - Tri-Annual Performance Model Update (PDF) - February 2024
Task 3768 - Concrete Coefficient of Thermal Expansion Moisture-Dependency and Tensile Creep (PDF) - February 2024
Task 3812 - Monitoring Performance of Concrete Overlay Projects (PDF) - February 2024
Task 3814 - Potential for Advanced Image Evaluation in APCS (PDF) - February 2024
Task 3817 - PPRC 20 REC-A: Improved Guidance and Specifications for Full-Depth Reclamation 4.78 (PDF) - January 2024
Task 3820 - Environmental LCA Updates and Applications (PDF) - December 2023
Task 3821 - Implementation of Environmental LCA Data and Models for Project-Level Use in eLCAP (PDF) - December 2023
Task 3822 - Multi-Criteria Decision Support for Prioritization of Strategies to Reduce Environmental Impacts (PDF) - December 2023
Task 3811 - Updated Caltrans Rigid Pavement Design Catalog Using Pavement ME (PDF) - February 2023
Task 4124 - Further Development Towards Implementation of Likely Supplementary Cementitious Materials (PDF) - February 2023
Task 3775 - Alternative Supplementary Cementitious Materials (SCMs) Sources (PDF) - March 2022
Task 3819 - Guidance, Tests and Specifications for High RAP/RAS in HMA and RHMA Mixes (PDF) - March 2022
Task 2746 - Technology Transfer Concrete Consortium (TTCC) (PDF) - August 2020
Task 3188 - Performance Related Specifications for AC Long Life Projects (PDF) - July 2020
Task 3189 - Determining Binder Replacement in High RAP/RAS Mixes (PDF) - July 2020
Task 3197 - MED-A: Standard Materials (PDF) - July 2020
Task 3205 - New Smoothness Spec Evaluation (PDF) - September 2019
Task 3206 - PPRC 17 PRE-A: Complete Early Age and Premature Cracking Evaluation (PDF) - September 2019

Planning/Policy/Programming

Task 3374 - Sustainability of Micromobility Services: Vehicle Miles Traveled (VMT) Reduction and Transit Connection (PDF) - May 2024
Task 3376 - Improving Public Safety through Spatial Synthesis, Mapping, Modeling, and Performance Analysis of Emergency Evacuation Routes in California Localities (PDF) - May 2024
Task 3379 - Improving Access and Efficiency to Transportation Affordable Programs in California (PDF) - May 2024
Task 3380 - Exploring Microtransit Adoption and Impacts on Transportation Access of Underserved Populations (PDF) - May 2024
Task 3457 - Validation of Freight Volume Modeling on Major Highway Links (PDF) - May 2024
Task 3462 - Caltrans Succession Planning - May 2024
Task 3467 - Student Transit Programs and Other Modes-to-School in California (PDF)- May 2024
Task 3469 - Developing a Data Fusion Framework to Map Active Transportation Usage Patterns in Orange County (PDF) - May 2024
Task 3471 - Studying the Effects of Disability on Choices and Desires for Travel and Neighborhood Location (PDF) - May 2024
Task 3478 - Best Practices in Freight Technology Transfer (PDF) - May 2024
Task 3894 - Transportation Library Connectivity, TPF-5(442) (PDF) - May 2024
Task 4173 - Investigation of the Abilities and Limitations of Travel Demand Modeling in Informing Decision-Making (PDF) - May 2024
Task 4315 - Impacts of Changing Agriculture Supply Chains on California Roads and Bridges (PDF) - May 2024
Task 4394 - Partnered Pavement Research Center (PPRC) 23: Performance Related Specifications (PDF) - May 2024
Task 4396 - New Performance Approach to Evaluate ASR in Concrete [TPF-5(521)] (PDF) - May 2024
Task 4357 - Exploring the Integration of Induced Travel into Analyses of Costs, Benefits, and Air Pollutant Emissions (PDF) - November 2023
Task 3372 - The Role of Level of Service in Post-SB 743 California (PDF) - January 2024
Task 3378 - Data Dashboard and Capacity Building for Electric Carsharing in Underserved Black Indigenous People of Color (BIPOC) Communities (PDF) - January 2024
Task 3381 - Learning Drivers’ Utility Functions in a Coordinated Freight Routing System Based on Drivers’ Actions (PDF) - January 2024
Task 3383 - Advancing Active Transportation Decisionmaking (PDF) - January 2024
Task 3386 - Feasibility of Solar Bike Pathways (PDF) - January 2024
Task 3442 - Implementation of Action 6 of the California Sustainable Freight Action Plan (CSFAP) and California Freight Mobility Plan (CFMP) Phase 4: Tracking Economic Competitiveness (PDF) - January 2024
Task 3463 - Implementing a Community-Based Mobility Lab: Improving Traffic, Protecting Data Privacy (PDF) - January 2024
Task 3464 - The Impact of Work-From-Home on Job and Housing Location in the Bay Area –Central Valley Region: An Analysis of the Relationship Between Traffic, Telecommuting, and Migration During and After COVID-19 (PDF) - January 2024
Task 3466 - A general traffic equilibrium framework with ridesourcing services that considers flow-dependent waiting time and public transit (PDF) - January 2024
Task 3470 - Development of Public Dynamic Spatio-Temporal Monitoring and Analysis Tool of Supply Chain Vulnerability, Resilience, and Sustainability (PDF) - January 2024
Task 3479 - Impacts of e-commerce on warehousing and distribution in California (PDF) - January 2024
Task 3524 - Latent Demand ATCS, (MTI) (PDF) - January 2024
Task 3695 - VMT Mitigation Measures (PDF) - January 2024
Task 3944 - Community Engagement Difficulties Metric for Pilot Equity Index (PDF) - January 2024
Task 3994 - Community Engagement Metric (PDF) - January 2024
Task 4169 - Quantitative Performance Measures for the Caltrans System Investment Strategy (PDF) - January 2024
Task 4179 - Equity Concerns Related to Inducted Travel (PDF) - January 2024
Task 3523 - Evaluating Benefits from Transportation Investments aligned with the Climate Action Plan for Transportation Infrastructure (CAPTI) (PDF) - December 2023
Task 3988 - Further Implications of Freeway Siting in California: An Equity, Geospatial, and Case Study Approach (PDF) - December 2023
Task 3879 - Innovation Tools and Concept Strategies for System Planning (PDF) - March 2023
Task 3339 - Improving Our Understanding Of Fire Displacement Effects (PDF) - February 2023
Task 3446 - The Potential for Ride-Matching in Disadvantaged Communities (PDF) - February 2023
Task 3451 - Cross-Sectional Study of the Effects of Disability on the Mismatch of Desires versus Choices for Transportation Modes and Residential Location (PDF) - February 2023
Task 4272 - Caltrans Carbon Reduction Strategy (PDF) -February 2023
Task 3358 - Optimizing Bikeshare Service to Connect Affordable Housing Units with Transit Services (PDF) - November 2022
Task 3362 - Understanding the Influence of Local Option Sales Tax Measures on SB 375 (PDF) - November 2022
Task 3363 - Factors Impacting Mode Share Changes in California (PDF) - November 2022
Task 3364 - Mobility Justice in Rural California: Examining Transportation Barriers and Adaptations in Carless Households (PDF) - November 2022
Task 3367 - Tools and Best Practices for Land Use Efficiency and Equity in Cities (PDF) - November 2022
Task 3359 - Studying the Impacts of the Pandemic and Future Mobility Patterns in California During the Post Pandemic COVID-19 Recovery (PDF) - November 2022
Task 3369 - Routing of Battery Electric Heavy-Duty Trucks for Drayage Operations (PDF) - November 2022
Task 3447 - Redeveloping Failing Malls in California (PDF) - November 2022
Task 3455 - Evaluating Mixed Electric Vehicle and Conventional Fueled Vehicle Fleets for Last-mile Package Delivery: Modeling and analyzing a last-mile package delivery system, with a mixed vehicle fleet (PDF) - November 2022
Task 4146 - Reconnecting Communities Research (PDF) - October 2022
Task 3335 - Projecting Risk Of Highway Flooding Due To Sea Level Rise (PDF) - July 2022
Task 3445 - Institutional Obstacles To New Transportation Technology Adoption (White Paper) (PDF) - July 2022
Task 3324 - North American Micromobility Panel (PDF) - June 2022
Task 3348 - Monitoring VMT Traveled Reduction Claims in Local Development Review (PDF) - June 2022
Task 3518 - Tribal Planning Needs Assessment – Phase 2 (PDF) - June 2022
Task 3950 - Sustainable Transportation Energy Pathways (STEPS)+ Program Membership (PDF) - June 2022
Task 3994 - Community Engagement Difficulties Metric for Pilot Equity Index (PDF) - February 2022
Task 3521 - Investing in California’s Transportation Future: Public Opinion on Critical Needs (PDF) - July 2021
Task 3886 - Feasibility of Mitigation Banks on Regional and State Levels (PDF) - May 2021
Task 2900 - Develop and Support Transportation Performance Management Capacity Development Needs for State DOTs, TPF-5(326) (PDF) - February 2021
Task 2960 - 2016 through 2020 Biennial Asset Management Conference and Training on Implementation Strategies, TPF-5(335) (PDF) - February 2021

Research Support

Task 3904 - Maintenance, Operation and Enhancement of Cellular Vehicle-to-Everything (C-V2X) Communication Infrastructure Phase III (PDF) - May 2024
Task 4199 - Research Implementation Support (PDF) - May 2024

Right Of Way And Land Surveys

Task 3870 - Research and Development of the Caltrans’ Geospatial Technology Proving Ground (PDF) - May 2024
Task 4120 - Accuracies and Standards for the Caltrans' Spatial Reference Network (CTSRN) (PDF) - May 2024

Rural

Task 1757/1758 - Western States Rural Transportation Consortium (PDF) - May 2024
Task 3241 - Aurora Program - Pooled Fund Study - TPF-5(435) (PDF) - May 2024
Task 4008 - Responder Study - Interim Phase II - Continued Support for Responder Transition (PDF) - May 2024
Task 4059 - SpaceX Starlink Satelite Broadband Communications for ITS Pilot (PDF) - May 2024
Task 4148 - Winter Chain-On Travel Time Delay (PDF) - May 2024
Task 4149 - Connected Vehicle Highway Grip Factor Reporting to Snowplows (PDF) - May 2024
Task 4289 - Tethered Unmanned Aerial System (sUAS) for Situational Awareness and Emergency Response Pilot and Evaluation (PDF) - May 2024
Task 4296 - Vehicle Detection on Rural Roads Using Optical Fiber Sensing Technology (PDF) - May 2024
Task 4297 - Development and Testing of an Unmanned Aerial System (UAS) Cellular & Wi-Fi (PDF) - May 2024
Task 4298 - Innovation and Deployment of Small Unmanned Aerial Systems (SUAS) in Rural Environments (PDF) - May 2024
Task 4025 - Public Safety Power Shutdown – Hydrogen Fuel Cell Mitigation Pilot (PDF) - December 2023
Task 3873 - Evaluation of Next Generation CCTV Encoders for ITS Field Elements (PDF) - December 2023
Task 1749 - Communication Technologies for Rural Intelligent Transportation Systems (ITS) Professionals (PDF) - December 2023

Traffic Operations

Task 0373 - High Occupancy Vehicle (HOV)/ Managed Use Lane (MUL) -TPF-5(029) now TPF-5(322) (PDF) - May 2024
Task 3472 - Modernize Census Infrastructure Technology (PDF) - May 2024
Task 3473 - Truck Traveler Information, Parking, and Operations (PDF) - May 2024
Task 3477 - Practical Performance Indices to Enable Ranking of Signalized Corridors (PDF) - May 2024
Task 3867 - Methodology Assessing the Vehicle Miles Travelled (VMT) Impacts of Transportation Projects (PDF) - May 2024
Task 3987 - Guidance for Operational Improvement Alternatives (PDF) - May 2024
Task 4019 - Safety Service Patrol Standardization and Management Practices - TPF-5(489) (PDF) - May 2024
Task 4085 - Caltrans Traffic Operations Data Standards Implementation Recommendations (PDF) - May 2024
Task 4125 - Work Zone Speed Limit Reduction (WZSLR) Research (PDF) - May 2024
Task 4175 - Induced travel effects from various improvements to highways other than lane additions (PDF) - May 2024
Task 4188 - TPF-5(487)-Transportation Management Centers (TMC) Pooled Fund Study - Phase II (PDF) - May 2024
Task 4397 - Traffic Signal Systems Operations and Management (PDF) - May 2024
Task 4413 - A Machine Learning Model for Generating Traffic Data on California Highway System (PDF) - May 2024
Task 3903 - Ramp Metering and HOV Lane Degradation Mitigation (PDF) - April 2024
Task 3974 - TPF-5(440) - Support for Urban Mobility Analyses - Pooled Fund Study (PDF) - February 2024
Task 3637 - American Truck Parking Maintenance Project (PDF) - October 2023
Task 3272 - Enhanced Traffic Signal Performance Measures - Pooled Fund Study - TPF-5(377) (PDF) - May 2023
Task 3942 - Reimagining Sensor Deployment (PDF) - May 2023
Task 3903 - Ramp Metering and HOV Lane Degradation Mitigation (PDF) - May 2023
Task 3973 - Moving Towards Roundabouts in California (PDF) - August 2022
Task 2951 - Traffic Management Center (TMC) Consortium - Pooled Fund Study - TPF-5(319) (PDF) - May 2022
Task 3322 - Robust Design, Analysis and Evaluation of Variable Speed Limit Control in a Connected Environment with Uncertainties (PDF) - February 2022
Task 3861 - Better use of Caltrans Performance Measurement System (PeMS) for Census and Highway Performance Monitoring System (HPMS) Reporting) (PDF) - November 2021

Transportation Safety And Mobility (TS&M)

Task 2318 - Highway Safety Manual Implementation - May 2024
Task 3311 - TPF-5(384) - Exploring Non-Traditional Methods to Obtain Vehicle Volume and Class Data (PDF) - May 2024
Task 3906 - Phase 4: Strategies for Reducing Pedestrian and Bicyclist Injury at the Corridor Level (SMART 4) (PDF) - May 2024
Task 4014 - Safe System Research and Implementation (PDF) - May 2024
Task 4057 - Strategies for Reducing Pedestrian and Bicyclist Injuries at the Corridor Level (PDF) - May 2024
Task 4058 - Methods for Identifying High Collision Concentration Locations for Potential Safety Improvements (PDF) - May 2024
Task 4284 - Methods for Identifying High Collision Concentration Locations for Potential Safety Improvements (PDF) - May 2024
Task 4287 - Methods for Identifying High Collision Concentration Locations for Potential Safety Improvements (PDF) - May 2024
Task 4403 - Developing A Safe Systems Approach to Setting Speed Limits-Phase II (PDF) - May 2024
Task 4195 - Roadside Safety Research for MASH Implementation: TTI (Texas Transportation Institute) Pooled Fund Project TPF-5(501) (PDF) - December 2023
Task 3067 - Roadside Safety Research for MASH Implementation: TTI Pooled Fund Project TPF-5(343) (PDF) - November 2023
Task 3726 - Midwest Roadside Safety Facility Pooled Fund TPF-5(430) (PDF) - May 2024
Task 4195 - TTI (Texas Transportation Institute) Roadside Safety Research Pooled Fund Project (PDF) - April 2024
Task 4015 - Evaluation of Vehicle Detection Systems Compared to Inductive Loops and Video Ground Truth Using the C1 Reader (PDF) - January 2024
Task 3896 - Developing A Safe System Approach to Setting Speed Limits (PDF) - December 2023
Task 3781 - Methods for Identifying High Collision Concentration Locations for Potential Safety Improvements - December 2023
Task 2913 - Research study to encompass safety-effectiveness evaluations of priority strategies from the NCHRP Report 500 Guidebooks (PDF) - May 2023
Task 3619 - Combined Variable Speed Limit and Coordinated Ramp Metering Along SR 99 Corridor (PDF) - May 2023
Task 3705 - Developing engineering countermeasures for severely intoxicated drivers (PDF) - February 2023
Task 3948 - Wrong Way Driver Mitigation (PDF) - February 2023
Task 4049 - ITS Field Device Research (PDF) - November 2022
Task 3744 - Traffic Safety Culture: Drive Behavior (PDF) - August 2022
Task 3354 - Induced Travel Calculator Improvements (PDF) - February 2022