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.
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Advanced Research
- Task 4260 - Future Mobility Research Support Center (PDF) - May 2026
- Task 4166 - Leveraging Advanced Detection and Adaptive Signal Priority to Improve Freight Movement Efficiency along SR-29 - SR 53 Corridor (PDF) - May 2026
- Task 4506 - Virtual Roadside Unit Pilot (PDF) - May 2026
- Task 4456 - Connected and Automated Vehicle (CAV) Application Deployment Roadmap (PDF) - May 2026
- Task 4067 - Connected and Automated Vehicle Cross Cutting Research (PDF) - May 2025
- Task 3939 - Sustainability Performance of Urban Freight Corridors through Connected Vehicle Technology (PDF) - November 2021
- Task 3900 - A Roadmap For Flow Smoothing Via Connected And Automated Vehicles(CAV) In California (PDF) - May 2024
- Task 3743 - I-10 Connected Corridor Coalition Truck Parking Availability System (TPAS) (PDF) - November 2025
- Task 3688 - Utilizing Connected And Automated Vehicles (CAVs) As Floating Sensors For Cooperative Traffic Control And Road Condition Monitoring (PDF) - December 2021
- Task 3614 - Connected Vehicle - Pooled Fund Study (PDF) - May 2025
- Task 3500 - Advanced Road Charge Modeling (PDF) - May 2020
- Task 3329 - Research Synthesis and Engagement of the National Center for Sustainable Transportation Caltrans Research Program (PDF) - December 2020
Design/Construction
- Task 4976 - Calculation Factors and Methodology for Electric Construction Equipment Rental Rates (PDF) - May 2026
- Task 4568 - ADA Ramp Compliance Assessment Automation Using Point Cloud Data - May 2026
- Task 4440 - Highway Safety Manual 2nd Edition (HSM2) Implementation (PDF) - May 2026
- Task 4571 - Biochar-amended Compost for Erosion Control and Stormwater Pollution Prevention (PDF) - May 2026
- Task 4570 - Identify Quantified Safety and Traffic Calming Benefits of Trees (PDF) - May 2026
- Task 4322 - Development of a Worker Safety Performance Estimation Tool (PDF) - May 2026
- Task 4017 - Building Information Modeling (BIM) for Infrastructure (PDF) - May 2026
- Task 3286 - Gravel-Bed River Assessment Tool for Improved Resiliency of Engineering Design (PDF) - May 2026
- Task 4441 - Highway Safety Manual 2 (HSM2) Part C Calibration for Caltrans (PDF) - May 2026
- Task 4239 - Concrete and Asphalt Pavement Smoothness and Asphalt Quality Incentive/Disincentive Analysis (PDF) - May 2026
- Task 4303 - SIDRA Calibration for Roundabouts in California (PDF) - May 2026
- Task 4439 - Performance Review and Improvement Metrics for Evaluating Project Delivery Methods (PDF) - May 2026
- Task 4353 - Remote DCFC (Direct Current Fast Charger) Reliability and Downtime Detection Tool -May 2026
- Task 4503 - CalBarrier Implementation Research (PDF) - May 2025
- Task 4403 - Developing A Safe Systems Approach to Setting Speed Limits-Phase II (PDF) - May 2024
Environmental
- Task 4051 - Behavior in Vegetative Barriers of Aerosol Particulate Matter 2.5 (PM 2.5) and PM 10 along Highways (PDF) - May 2026
- Task 4054 - Stone Lagoon U.S. 101 Elk Electronic Detection System (PDF) - May 2026
- Task 4056 - Central Valley Swainson's Hawk Research (PDF) - May 2026
- Task 4347 - Plastic GHG Emissions Field Measurement Along Caltrans ROW (PDF) - May 2026
- Task 4349 - Bats in Transportation Structures: Alternative Night Roosting Strategies and Noise Monitoring Methods (PDF) - May 2026
- Task 4475 - LED Lighting SSPs to Reduce Ecological Impacts on Terrestrial Wildlife (PDF) - May 2026
Equipment
- Task 4581 - Extended Evaluation of Semi-Permanent DC Fast Charging Infrastructure (PDF) - May 2026
- Task 4137 - Field Study of Battery - Electric Sweepers (PDF) - May 2026
- Task 4483 - Optimal Planning for EV Charger Deployment (PDF) - May 2026
- Task 4455 - Evaluation and Testing of Security Services for Caltrans Equipment Yards and Maintenance Stations (PDF) - May 2026
- Task 4565 - Extended Evaluation and Testing of mobile Robot Guard Teams for Security Caltrans Equipment Yards and Maintenance Stations (PDF) - May 2026
- Task 4482 - Lifetime Cost-Benefit Analysis of Mobile DC Fast Chargers (PDF) - May 2026
- Task 4480 - Cost Benefit Analysis for Installing EV Charges Versus Using Public Infrastructure (PDF) - May 2026
- Task 4481 - Future Shops Requirement for Maintenance of Zero Emission Vehicles (ZEV) (PDF) - May 2026
- Task 4467 - Commercial Metal 3D Printers and their Utility in Caltrans Operations (PDF) - November 2025
- Task 4131 - Zero Emission vehicle (ZEV) Tool Enhancement (PDF) - February 2023
Executive
- Task 4410 - Collecting Continuous Traffic Counts in California Local Roads for Highway Performance Monitoring System (HPMS) Reporting (PDF) - May 2026
- Task 4180 - Advanced Measurement of Transportation Accessibility for Multimodal Decision Making (PDF) - May 2026
- Task 4491 - Updated Estimates of Induced Travel Demand from Roadway Expansions (PDF) - May 2026
- Task 4478 - Short Line Rail Research (PDF) - May 2026
- Task 4904 - Generative Artificial Intelligence (GenAI) Readiness and Proof of Concept (PDF) - November 2025
- Task 4490 - Weight Impacts of Heavy-Duty Zero Emission Vehicles (PDF) - September 2025
- Task 4183 - Applications of Enterprise GIS in Transportation (AEGIST) Pooled Fund Study TPF-5(431) (PDF) - May 2025
- Task 4175 - Induced travel effects from various improvements to highways other than lane additions (PDF) - May 2024
- Task 4146 - Reconnecting Communities Research (PDF) - November 2024
- Task 3523 - Evaluating Benefits from Transportation Investments aligned with the Climate Action Plan for Transportation Infrastructure (CAPTI) (PDF) - June 2023
Geotechnical/Structures
- Task 3982 - Evaluation of Soil Plug Geotechnical Resistance in the Design of CISS Piles (PDF) - September 2026
- Task 4031 - Evaluation of #9 and Smaller Splices and Headed Bars for use with Grade 80 reinforcement (PDF) - May 2026
- Task 4027 - Shake table tests of Grade 80 Piers (PDF)- May 2026
- Task 4543 - Incorporating System-Level Seismic Risk Assessment into Caltrans Risk-Based Seismic Design (CT-RBSD) (PDF) - May 2026
- Task 4556 - Development of Design Criteria and Performance Evaluation for Seismic Design of Precast Reinforced Concrete Arch Bridges (PDF) - May 2026
- Task 4428 - Calibration of Caltrans Risk Based Seismic Design for Modern Bridges (PDF) - May 2026
- Task 4028 - Development of Design Evaluation Criteria in Performance Based Seismic Design (PBSD) of Cut and Cover Tunnel (PDF) - May 2026
- Task 4281 - Bridge Rapid Assessment Center for Extreme Events (BRACE2) - Phase II (PDF) - May 2026
- Task 4033 - Efficient Strengthening of Steel Girder Bridges with Bolted Cover Plates (PDF) - May 2026
- Task 4535 - Integration of Thermal Infrared Imaging into the Caltrans Inspection Program for Pavements and Bridge Decks (PDF) - May 2026
- Task 4443 - Human-centered Steel Bridge Inspection enabled by Augmented Reality (AR) and Artificial Intelligence (AI) - May 2026
- Task 4332 - Implementation of Advanced Sustainability and Performance-Based Practices for Concrete Infrastructure (PDF) - May 2026
- Task 4280 - Estimating the residual fatigue life through a novel integrated system-component-material-based process (PDF) - May 2026
- Task 3030 - Type 15-FBS Breakaway Pole Replacement Development and Testing (PDF) - May 2026
- Task 4032 - Evaluation of #10 and Larger Splices and Headed Bars for use with Grade 80 Reinforcement (PDF) - May 2026
- Task 4271 - Seismically Isolated Bridges under Beyond Design Shaking (PDF) - May 2026
- Task 4432 - Primary Vertical Rebar Cutoffs for Reinforced Concrete Bridge Columns (PDF) - May 2026
- Task 4433 - Damage to Ends of Precast, Prestressed Concrete Bridge Girders (California Bulb-Tee) from Seismic Impact (PDF) - May 2026
- Task 4608 - Generation-2 Seismic Bridge Fragility Models - Production Analytical Components (PDF) - May 2026
- Task 4398 - Building Information Modeling (BIM) for Bridges and Structures (PDF) - May 2026
- Task 4525 - UCLA Seismic Hazard and Risk Program (PDF) - May 2026
- Task 4514 - Center for the Aging Infrastructure: Steel Bridge Research, Inspection, Training and Education Engineering Center - SBRITE (Continuation) (TPF5(486)) - May 2026
- Task 3982 - Evaluation of Soil Plug Geotechnical Resistance in the Design of CISS Piles (PDF) - May 2026
- Task 4524 - Stochastic-Based Models for Three Components of Ground Motions for Seismic Design of Structures (PDF) - May 2026
- Task 4427 - Evaluation of Simplified Procedures for Estimating Lateral Spreading (PDF) - May 2026
- Task 3169 - Development of a replacement for breakaway supports for large roadside signs and crash testing to MASH 2016 Test Level 3 (PDF) - May 2026
- Task 4270 - Seismic Design Evaluation of Shallow Bridge Foundations at Potentially Liquefiable Soil Sites (PDF) - May 2026
- Task 3796 - Geotechnical Resistance Capacity and Stress Distribution of Soil/Grout Interface of Ground Anchors (PDF) -May 2026
- Task 4521 - Evaluation of the Settlements and Allowable Pressures of Footings in Cohesionless Soils (PDF) - November 2025
- Task 4421 - Development of Performance Based Multihazard Engineering (PBME) Framework with Inclusion of Climate Change and Bridge Vulnerability (PDF) - May 2025
- Task 4416 - Caltrans Risk-Based Seismic Design (CT-RBSD) for Bridges (PDF) - May 2025
- Task 4291 - Model Test for Structures Crossing Highways Under Seismic Loading (PDF) - May 2025
- Task 4285 - Generation-2 Fragility Models for Steel Bridges, Part 2 (PDF) - May 2026
- Task 4281 - Bridge Rapid Assessment Center for Extreme Events (BRACE2) - Phase II (PDF) - May 2025
- Task 4039 - Develop a Seismic Risk Matrix to Rank Caltrans Tunnel Inventory (PDF) – March 2023
- Task 4037 - Analysis and Model Test of Buried Structures Crossing Highways Under Seismic Loading (PDF) - May 2025
- Task 3984 - Seismic Design of Bridge Pier Walls (PDF) - December 2021
- Task 3946 - Consequences-Based Analysis of Undrained Shear Behavior of Soils and Liquefaction Hazards, Phase 1: Filling the Data Gaps (PDF) - March 2024
- Task 3745 - PEER - Bridge Program (Pacific Earthquake Engineering Research Center) (PDF) - November 2024
- Task 3738 - Behavior of Reinforced and Unreinforced Lightweight Cellular Concrete for Retaining Walls (PDF) - April 2024
- Task 3671 - Impact of Installation Method on Side Resistance of Permanent Steel Casings (PDF) - December 2020
- Task 3666 - Development of Effective Accelerated Bridge Construction (ABC) Methods for Bridge Abutment design and Construction (PDF) - February 2022
- Task 3646 - Post-tensioned Box Girder deck rehabilitation using UHPC (PDF) - November 2021
- 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
- Task 3242 - Building Information Modeling (BIM) for Bridges and Structures, TPF-5(372) (PDF) - August 2020
- Task 3031 - Type 85 Concrete Bridge Rail Development and Testing (PDF) - October 2025
Maintenance
- Task 4302 - Heavy Equipment Remote Emergency Shutdown During Training Exercises (PDF) - May 2026
- Task 4469 - Field Trials of the Intelligent Truck-Mounted Attenuator – Phase 3 (PDF) - May 2026
- Task 4588 - Optimizing Safety and Savings for Maintenance Repair of Guardrails (PDF) - May 2026
- Task 4589 - Evaluation of Alternative Flares for Traffic Management During Moving Lane Closures (PDF) - May 2026
- Task 3928 - Evaluation of Prefabricated Wash Rack Systems (PDF) - May 2026
- Task 4304 - Long Range Automated Lookout for Roadside Operations (PDF) - May 2026
- Task 4299 - Heavy Equipment Simulator Training Optimization (PDF) - May 2026
- Task 4485 - Evaluation of a Semi-Automatic Pothole Patching Vehicle (PDF) - May 2026
- Task 4307 - Evaluation of Electric Vehicle (EV) Heavy Equipment for Use in Caltrans' Operation (PDF) - May 2026
- Task 4470 - LiDAR and Bathymetric Survey Uncrewed Surface Vehicle Integration and Evaluation (PDF) - November 2025
- Task 4316 - Evaluation of Battery-powered Compact Low-profile Loaders Project (PDF) - November 2025
- Task 4309 - Evaluating the Robotic Maintenance Vehicle for Crack Sealing Applications (PDF) - May 2024
- Task 4295 - Evaluation of an Electric Skid Steer Loader for Use in Caltrans Operations (PDF) - November 2025
- Task 4294 - Deployment and Evaluation of Targeted Warning Messaging System (PDF) - May 2026
- Task 4165 - Avalanche Research Pooled Fund 2.0 TPF-5(497) (PDF) - November 2025
- Task 4013 - Clear Roads Phase III TPF-5(479) (PDF) - November 2025
Modal
- Task 4695 - Disability, mode perceptions, and travel behavior: An intersectional study (PDF) - May 2026
- Task 4532 - TPF-5(556)-Uncrewed Aircraft Systems (UAS) Standardization (PDF) - May 2026
- Task 4599 - Accounting for Fare Evasion in Estimates of Transit Ridership (PDF) - May 2026
- Task 4706 - Hydrogen or Electric Transit Vehicles – Why not Both? Investigating the Economic Viability of Mixed-Technology Zero-Emission Bus Networks (PDF) - May 2026
- Task 4571 - Biochar-amended Compost for Erosion Control and Stormwater Pollution Prevention (PDF) - May 2026
- Task 4508 - TPF-5(520), Improving Traffic Detection Through New Innovative i-LST Technology Demonstration Pilot (PDF) - May 2026
- Task 4453 - Locomotive Driver, Train Conductor, and Supporting Railroad Workforce Fatigue and Drowsiness Study to Improve Passenger Rail Safety (PDF) - May 2026
- Task 4325 - Strategies for Improving Safety and Efficiency of Interaction Between Surface Traffic and Trunkline Transit (PDF) - May 2026
- Task 4449 - Impacts of Private Development on Transit Ridership (PDF) - May 2026
- Task 4512 - Establishment of a Public - Private Transportation Data Exchange Center (PDF) - May 2026
- Task 4290 - ADA Van as Tech Demonstrator for Disabled Travelers (PDF) - May 2026
- Task 4312 - Incorporating New UAS Technology into the Caltrans UAS Safety Management System (PDF) - November 2025
- Task 4194 - Assessment of State Assets for AAM Integration and Development of State Workplan (PDF) - November 2024
- Task 4145 - Estimating Transit-Based Evacuation Demand in Wildfires (PDF) - June 2022
- Task 3923 - Advanced Air Mobility Digitization (PDF) - June 2022
- Task 3913 - Digital Mobility Assistant for Disabled Transit Users (PDF) - May 2023
- Task 3757 - Development of Integrated Unmanned Aerial Systems (UAS) Validation Center (PDF) - December 2023
- Task 3657 - Developing segment and intersection-level BLOS measures for the SHS (PDF) - May 2023
- Task 3515 - Advancing Adoption of General Transit Feed Specification (GTFS) Programs in California (PDF) - November 2024
- Task 3388 - Review and Analysis of Current and Future Battery Technologies for Transit Electric Vehicles (PDF) - November 2024
Pavement
- Task 4225 - Modify CRCP Mechanistic-Empirical Models Used in PavementME and Update Rigid Pavement Design Catalog for CRCP (PDF) - May 2026
- Task 4215 - Evaluation of Fine Dry Rubberized Asphalt Mixes and Inclusion in Performance-Related Specifications (PDF) - May 2026
- Task 4201 - Implementation of New Models in CalME (PDF) - May 2026
- Task 4099 - Partnered Pavement Research Center (PPRC) 23: Sustainability (PDF) - May 2026
- Task 2746 - Technology Transfer Concrete Consortium, Phase II (PDF) - May 2026
- Task 4394 - Towards Implementation of Recycled Fibers from Novel and Existing Source Materials in Concrete (PDF) - May 2026
- Task 4205 - Continued Development of Guidance and Specifications for Cold Recycling (PDF) - May 2026
- Task 4207 - Partnered Pavement Research Center (PPRC) 23: Sustainability (PDF) - May 2026
- 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 2026
- Task 4226 - Piloting of Cold Recycling and New Asphalt Base Designs and Interlayers for Concrete Pavements (PDF) - May 2026
- Task 4252 - Updates and Improvements to Web-Based RealCost-CA (PDF) - May 2026
- Task 4258 - Further Development and Piloting of Supplementary Cementitious Materials in Concrete (PDF) - May 2026
- Task 4391 - Use of Cold Recycling as Base for Concrete Pavement (PDF) - May 2026
- Task 4396 - New Performance Approach to Evaluate ASR in Concrete [TPF-5(521)] (PDF) - May 2026
- Task 3999 - Improve Pavement Surface Distress and Transverse Profile Data Collection and Analysis, Phase II, TPF-5(399) (PDF) - May 2026
- Task 3977 - New Rubberized Hot Mix Asphalt Materials with Recycled Asphalt Pavement/Recycled Asphalt Shingles, Part B for Interlayers and Base for Rigid Pavements (PDF) - May 2026
- Task 3816 - Performance Related Specifications for Rubberized Asphalt Binder (PDF) - May 2026
- Task 3810 - Further Improvement of CalME and Integration with Performance-Related Specifications (PRS) into Routine Practice (PDF) - May 2026
- Task 3809 - CalME Standard Materials Library for Flexible Pavements (PDF) - May 2026
- Task 4200 - Regional and New Materials in Standard Materials Library and Implementation of Design Guidance (PDF) - May 2026
- Task 4209 - Tri-Annual Performance Model Update (PDF) - May 2026
- Task 4186 - PAV TPF 1542: Advance New Pavement Technologies, TPF-5 (478) (PDF) - May 2026
- Task 4185 - PAV TPF 1566: V - Kelly Slipform Paving Vibration Test, TPF - 5 (498) (PDF) - May 2026
- Task 4184 - PAV TPF 1560: LTPP Forensic Investigations, Stage 2, TPF-5(500) (PDF) - May 2026
- Task 4253 - Advanced Image Analysis of Automated Pavement Condition Survey (APCS) Data (PDF) - May 2026
- Task 4259 - Scoping Study for Next Generation Pavement Management System (PMS) (PDF) - May 2026
- Task 4516 - Improving the Quality of Highway Profile Measurements, TPF-5(537) (PDF) - May 2026
- Task 4901 - Technology Transfer Concrete Consortium, TPF-5(544) (PDF) - May 2026
- Task 4124 - Further Development Towards Implementation of Likely Supplementary Cementitious Materials (PDF) - February 2023
- Task 3925 - PAV TPF: National Road Research Alliance - NRAA phase 2, TPF-5(466) (PDF) - November 2025
- Task 3925 - PAV TPF: National Road Research Alliance - NRAA phase 2, TPF-5(466) (PDF) - May 2025
- Task 3822 - Multi-Criteria Decision Support for Prioritization of Strategies to Reduce Environmental Impacts (PDF) - December 2023
- Task 3821 - Implementation of Environmental LCA Data and Models for Project-Level Use in eLCAP (PDF) - December 2023
- Task 3701 - Pavement Structural Evaluation with Traffic Deflection Devices (TSDDs) (PDF) - February 2024
- Task 3197 - MED-A: Standard Materials (PDF) - July 2020
- Task 3188 - Performance Related Specifications for AC Long Life Projects (PDF) - July 2020
Planning & Policy
- Task 4697 - Considerations for Renaming Caltrans Facilities (PDF) - May 2026
- Task 4714 - Potential Short-Term Impacts of Zero-Emission Vehicle Policy on the Agricultural Freight Fleet (PDF) - May 2026
- Task 4603 - Addressing Impacts of Unhoused Individuals on Transit Agency Operations (PDF) - May 2026
- Task 4610 - Reviving Public Transit Ridership to Downtowns and Employment Centers Part 3: San Diego, Sacramento, and Fresno (PDF) - May 2026
- Task 4694 - Which Way Forward? Learning from Global Informal Transport Networks to Inform Microtransit Service in California (PDF) - May 2026
- Task 4702 - Governance of Multimodal Planning: Examining Transit Corridor Planning Strategies in California (PDF) - May 2026
- Task 4709 - Car or Public Transit? Exploring Factors Affecting Mode Choice in the Mobility of Care (PDF) - May 2026
- Task 4710 - Which Way Forward? Learning from Global Informal Networks to Inform Transit Services in California (PDF) - May 2026
- Task 4711 - Exploring Induced Travel from Rail Transit Expansions (PDF) - May 2026
- Task 4703 - Lessons Learned on Mobility as a Service (MaaS): Exploring Opportunities and Barriers for the U.S. Context (PDF) - May 2026
- Task 4689 - Investigating the Impacts of Smart Charging on Electric Vehicle (EV) Charging Choices Within an Activity-based Framework (PDF) - May 2026
- Task 4600 - Pathways to Powering Caltrans with Zero-Carbon Renewable Energy (PDF) - May 2026
- Task 4707 - The Effects of Complete Streets Policies and Projects on Local Business Development and Growth in California (PDF) - May 2026
- Task 4601 - How do people get information about public transit (PDF) - May 2026
- Task 4705 - Empirical Assessment of Land Use and Other Policy Impacts on Warehousing Location Choices in Southern California (PDF) - May 2026
- Task 4489 - Reviving Public Transit Ridership to Downtowns and Employment Centers Part 2: Los Angeles and Long Beach (PDF) - October 2025
- Task 4476 - California Multimodal Supply Chain Resilience Analysis (PDF) - July 2025
- Task 4315 - Impacts of Changing Agriculture Supply Chains on California Roads and Bridges (PDF) - May 2024
- Task 4272 - Caltrans Carbon Reduction Strategy (PDF) -February 2023
- Task 4179 - Equity Concerns Related to Inducted Travel (PDF) - January 2024
- Task 4173 - Investigation of the Abilities and Limitations of Travel Demand Modeling in Informing Decision-Making (PDF) - May 2024
- Task 3988 - Further Implications of Freeway Siting in California: An Equity, Geospatial, and Case Study Approach (PDF) - December 2023
- Task 3950 - Sustainable Transportation Energy Pathways (STEPS)+ Program Membership (PDF) - June 2022
- Task 3944 - Community Engagement Difficulties Metric for Pilot Equity Index (PDF) - January 2024
- Task 3994 - Community Engagement Metric (PDF) - January 2024
- Task 3894 - Transportation Library Connectivity, TPF-5(442) (PDF) - May 2024
- Task 3886 - Feasibility of Mitigation Banks on Regional and State Levels (PDF) - May 2021
- Task 3695 - VMT Mitigation Measures (PDF) - January 2024
- Task 3524 - Latent Demand ATCS, (MTI) (PDF) - January 2024
- Task 3521 - Investing in California’s Transportation Future: Public Opinion on Critical Needs (PDF) - July 2021
- Task 3518 - Tribal Planning Needs Assessment – Phase 2 (PDF) - June 2022
- Task 3471 - Studying the Effects of Disability on Choices and Desires for Travel and Neighborhood Location (PDF) - May 2024
- Task 3469 - Developing a Data Fusion Framework to Map Active Transportation Usage Patterns in Orange County (PDF) - May 2024
- Task 3467 - Student Transit Programs and Other Modes-to-School in California (PDF)- May 2024
- Task 3466 - A general traffic equilibrium framework with ride-sourcing services that considers flow-dependent waiting time and public transit (PDF) - January 2024
- Task 3463 - Implementing a Community-Based Mobility Lab: Improving Traffic, Protecting Data Privacy (PDF) - January 2024
- Task 3462 - Caltrans Succession Planning - May 2024
- Task 3457 - Validation of Freight Volume Modeling on Major Highway Links (PDF) - May 2024
- 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 3446 - The Potential for Ride-Matching in Disadvantaged Communities (PDF) - February 2023
- Task 3445 - Institutional Obstacles To New Transportation Technology Adoption (White Paper) (PDF) - July 2022
- 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 3387 - Caltrans 2024 Sustainable Freight Academy (PDF) - November 2024
- Task 3383 - Advancing Active Transportation Decision-making (PDF) - January 2024
- Task 3367 - Tools and Best Practices for Land Use Efficiency and Equity in Cities (PDF) - November 2022
- Task 3364 - Mobility Justice in Rural California: Examining Transportation Barriers and Adaptations in Carless Households (PDF) - November 2022
- Task 3363 - Factors Impacting Mode Share Changes in California (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 3339 - Improving Our Understanding Of Fire Displacement Effects (PDF) - February 2023
- Task 3335 - Projecting Risk Of Highway Flooding Due To Sea Level Rise (PDF) - July 2022
- Task 3348 - Monitoring VMT Traveled Reduction Claims in Local Development Review (PDF) - June 2022
- Task 2960 - 2016 through 2020 Biennial Asset Management Conference and Training on Implementation Strategies, TPF-5(335) (PDF) - February 2021
- Task 2900 - Develop and Support Transportation Performance Management Capacity Development Needs for State DOTs, TPF-5(326) (PDF) - February 2021
Research Support
- Task 4527 - Designing Roadside Safety Hardware for Emerging Vehicle Types, TPF-5(553) (PDF) - May 2026
- Task 4195 - Roadside Safety Research for MASH Implementation: TTI (Texas Transportation Institute) Pooled Fund Project TPF-5(501)(PDF) - May 2026
- Task 4308 - Evaluation Textured Surfaces for MASH Compliance (PDF) - May 2026
- Task 4515 - Midwest Roadside Safety Pooled Fund Program TPF-5(533)(FY25-FY29) (PDF) - May 2026
- Task 4423 - TPF-5(526), Western Transportation Research Consortium (PDF) - November 2025
- Task 3904 - Maintenance, Operation and Enhancement of Cellular Vehicle-to-Everything (C-V2X) Communication Infrastructure Phase III (PDF) - November 2025
Right Of Way And Land Surveys
- Task 4317 - Statewide 3-Dimensional Motion Analysis for Optimal CTSRN Performance and Geospatial Data Management (PDF) - May 2026
- Task 4120 - Accuracies and Standards for the Caltrans' Spatial Reference Network (CTSRN) (PDF) - May 2026
Rural
- Task 4148 - Winter Chain-On Delay Travel Times (PDF) - May 2026
- Task 4501 - TPF-5(494) WeatherShare VI (PDF) - May 2026
- Task 4519 - TPF-5(543) Aurora Program (FY25-FY29) (PDF) - May 2026
- Task 4445 - ATC Cabinet Pilot Project (PDF) - May 2026
- Task 4590 - Public Safety Power Shutdown (PSPS) Fuel Cell Mitigation Phase II (PDF) - November 2025
- Task 4298 - Use of Small Unmanned Aerial Systems (UAS) for Rural Communications Tower Inspection (PDF) - May 2026
- Task 4296 - Vehicle Detection on Rural Roads Using Optical Fiber Sensing Technology (PDF) - November 2025
- Task 4289 - Tethered Unmanned Aerial System (sUAS) for Situational Awareness and Emergency Response Pilot and Evaluation (PDF) - May 2025
- Task 4149 - TPF-5(494) Connected Vehicle Highway Grip Factor Reporting to Snowplows (PDF) - November 2025
- Task 4059 - SpaceX Starlink Satelite Broadband Communications for ITS Pilot (PDF) - May 2025
- Task 3241 - Aurora Program - Pooled Fund Study - TPF-5(435) (PDF) - November 2025
- Task 1757/1758 - Western States Rural Transportation Consortium (PDF) - November 2025
Safety Programs
- Task 4403 - Use of Third Party Data and Emerging Technologies to Enhance Traffic Monitoring (PDF) - May 2026
- Task 4567 - Development and MASH Evaluation of a Surface Mounted Double Thrie Beam Barrier (PDF) - May 2026
- Task 4284 - Estimating Wet-Pavement Exposure with Precipitation Data (PDF) - May 2026
- Task 4057 - Strategies for Reducing Pedestrian and Bicyclist Injuries at the Corridor Level (PDF) - May 2026
- Task 4287 - Phase 2: Identification of Speeding-related, ROR ,CO, and WW Collisions Locations (PDF) - May 2026
- Task 4058 - Phase 3: Implementation of Safety Performance Functions for California (PDF) - May 2026
- Task 2318 - Highway Safety Manual Implementation (PDF) - May 2026
- Task 4403 - Developing A Safe Systems Approach to Setting Speed Limits-Phase II (PDF) - May 2026
- Task 2913 - Research study to encompass safety-effectiveness evaluations of priority strategies from the NCHRP Report 500 Guidebooks (PDF) - May 2026
- Task 4376 - Evaluation of Proximity Warning Systems for Work Zones (PDF) - May 2025
- Task 4005 - Next Generation C1 Loop Detector Reader (PDF) - May 2025
- Task 3906 - Phase 4: Strategies for Reducing Pedestrian and Bicyclist Injury at the Corridor Level (PDF) - May 2025
Traffic Operations
- Task 4276 - High Speed Data Distribution and Collection Prototype (PDF) - May 2026
- Task 4617 - A Time and Space Exploration of Traffic Crash Trends During the Covid Recovery (PDF) - May 2026
- Task 4333 - Use of Third Party Data and Emerging Technologies to Enhance Traffic Monitoring (PDF) - May 2026
- Task 4346 - Connected and Automated Vehicle (CAV) Application Development (PDF) - May 2026
- Task 4457- Integrating the Wrong Way Driver Detection System into the Connected Vehicle to Everything (C-V2X) Environment (PDF) - May 2026
- Task 4461 - Impact of Outdoor Advertising (ODA) Displays Along the State Highway System on Traffic Safety (PDF) - May 2026
- Task 4371 - LiDAR Data Fusion for Multi-Modality at Traffic Signals (PDF) - May 2026
- Task 4413 - A Machine Learning Model for Generating Traffic Data on California Highway System (PDF) - May 2026
- Task 4337 - Development of Specifications for Computer Vision Platforms for Caltrans' CCTV Cameras (PDF) - May 2026
- Task 4019 - Safety Service Patrol Standardization and Management Practices - TPF-5{489) (PDF) - May 2026
- Task 3867 - Methodology Assessing the Vehicle Miles Traveled (VMT) Impacts of Transportation Projects (PDF) - May 2026
- Task 4462 - Connected Intersection 2.0 - Sensor Fusion and Edge Computing for Signalized Intersection (PDF) - May 2026
- Task 4472 - Develop Evaluation Criteria for ML/AI (Machine Learning / Artificial Intelligence)-Generated or Third-Party Traffic Data (PDF) - May 2026
- Task 4510 - Maintenance, Operations, and Enhancement of C-V2X Infrastructure Phase (PDF) - May 2026
- Task 4460 - Virtual Weigh Station Pilot System in California (PDF) - May 2026
- Task 4583 - Big Data Deployment Requirements for Transportation Use Cases (PDF) -May 2026
- Task 4397 - TPF-5(519) - Expansion: Enhanced Traffic Signal Performance Measures - Pooled Fund Study (PDF) - May 2026
- Task 4509 - Mobility Analysis and System Transportation Efficiency Research (PDF) - November 2025
- Task 4403 - Developing A Safe Systems Approach to Setting Speed Limits-Phase II (PDF) - May 2026
- Task 4340 - Effect of Using Standardized Work Zone Data to Improve Work Zone Safety (PDF) - May 2026
- Task 4287 - Phase 2: Identification of Speeding-related, ROR ,CO, and WW Collisions Locations (PDF) - May 2025
- Task 4284 - Estimating Wet-Pavement Exposure with Precipitation Data (PDF) - May 2025
- Task 4195 - Roadside Safety Research for MASH Implementation: TTI (Texas Transportation Institute) Pooled Fund Project TPF-5(501) (PDF) - October 2025
- Task 4188 - Enhancing Work Zone Safety TPF-5(487) - Transportation Management Centers (TMC) Pooled Fund Study - Phase II (PDF) - November 2025
- Task 4125 - Enhancing Work Zone Safety Through Work Zone Speed Limit Reduction (WZSLR) (PDF) - November 2024
- Task 4072 - Impacts of Changes in HOV/HOT Eligibility Policy of Operations and VMT - November 2025
- Task 4058 - Phase 3: Implementation of Safety Performance Functions for California (PDF) - May 2025
- Task 4057 - Strategies for Reducing Pedestrian and Bicyclist Injuries at the Corridor Level (PDF) - May 2025
- Task 3974 - TPF-5(440) - Support for Urban Mobility Analyses - Pooled Fund Study (PDF) - February 2024
- Task 3987 - Guidance for Operational Improvement Alternatives (PDF) - May 2025
- Task 3744 - Traffic Safety Culture: Drive Behavior (PDF) - August 2022
- Task 3726 - Midwest Roadside Safety Facility Pooled Fund TPF-5(430) (PDF) - May 2025
- Task 3637 - American Truck Parking Maintenance Project (PDF) - November 2025
- Task 3635 - Truck Parking Detection Technology Evaluation for I-10 TPAS in California (Truck Parking Availability System) (PDF) - November 2024
- Task 3477 - Practical Performance Indices to Enable Ranking of Signalized Corridors (PDF) - November 2024
- Task 3472 - Modernize Census Infrastructure Technology (PDF) - November 2024
- Task 3322 - Robust Design, Analysis and Evaluation of Variable Speed Limit Control in a Connected Environment with Uncertainties (PDF) - February 2022
- Task 3311 - TPF-5(384) - Exploring Non-Traditional Methods to Obtain Vehicle Volume and Class Data (PDF) - May 2025
- Task 0373 - High Occupancy Vehicle (HOV)/ Managed Use Lane (MUL) -TPF-5(029) now TPF-5(322) (PDF) - May 2025