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 - Evaluating The Performance Of Traffic Detection Devices (PDF) - February 2023
• Task 3459 - Improving the Accuracy of Intersection Counts and Densities for Measuring Urban Street Network Compactness and Resilience  (PDF) - February 2023
• Task 3614 - Connected Vehicle - Pooled Fund Study- TPF-5(389) (PDF) - February 2023
• Task 3639 - FHWA Truck Platooning Early Deployment Assessment Phase 2 (PDF) - February 2023
• Task 3709 - Application Development For Connected Fleet (PDF) - February 2023
• Task 3743 - I-10 Connected Corridor Coalition Truck Parking Availability System (TPAS) (PDF) - February 2023
• Task 3747 - MMITSS Phase III Extension for Additional Enhancements (PDF) - February 2023
• Task 3900 - A Roadmap For Flow Smoothing Via Connected And Automated Vehicles(CAV) In California (PDF) - February 2023
• Task 4005 - Next Generation C1 Loop Detector Reader (PDF) - February 2023
• Task 3789 - California PATH Program Management FY 2021 to FY 2023 (PDF) - November 2022
• Task 3687 - Support Deployment Of RTCM Broadcasts (PDF) - February 2022
• Task 3287 - Connected Vehicle Application Development (CVAD) (PDF) - December 2021
• 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 3605 - Caltrans Autonomous Vehicles Industry Survey of Transportation Infrastructure Needs (PDF) - July 2021
• Task 3428 - UTC - Impacts of Connected and Autonomous Vehicles on the Performance of Signalized Networks: A network fundamental diagram approach (PDF) - May 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 3622 - Yellow Pavement Markings at a Railroad At-Grade Crossing (PDF) - May 2020
• Task 2620 - Western Road Usage Charging (RUC) Consortium - RUC West, TPF-5(288) (PDF) - October 2019
• Task 3391 - Local Finance And Planning Mechanisms For Transit-Oriented Development, Transit, And Active Transport (PDF) - October 2019
• Task 3631 - Cross-Asset Optimization Model Development Services (PDF) - September 2019   

  Design/Construction

• Task 3836 - Orange Temporary Pavement Delineation in Construction Zones (PDF) - February 2023
• Task 3847 - Development of a Maintenance Prioritization Assessment and Safety Tool (PDF) - February 2023
• Task 3848 - Cost-Benefit Analysis for Concrete vs Metal Guardrails and Wood vs Metal Posts for Signs and Guardrails (PDF) - February 2023
• Task 4163 - Roadside Safety Performance Measures for Specific Countermeasures to Protect Workers (PDF) - February 2023
• Task 3141 - After Study for the Richmond – San Rafael Bridge (PDF) - November 2022
• Task 3286 - Gravel-Bed River Assessment Tool for Improved Resiliency of Engineering Design (PDF) - November 2022
• Task 3302 - Evaluate Zero-Emission Vehicle Charging Stations at Caltrans Facilities (PDF) - November 2022
• Task 3839 - Richmond San-Rafael Bridge and Sir Francis Drake Pilot (Phase II) (PDF) - November 2022
• Task 3909 - Safety of Earthern Stormwater Infiltration Best management Practices (BMP) Adjacent to Highways - Phase II (PDF) - November 2022
• Task 3911 - Determine Regional Sediment Bulking Methods for Northern California in Support of Wildfire Mitigation (PDF) - November 2022
• Task 4017 - Building Information Modeling (BIM) for Infrastructure (PDF) - November 2022
• Task 2896 - Safety of Earthen Stormwater Infiltration Best Management Practices (BMP) Adjacent to Highways (PDF) - March 2021

Environmental

• Task 3697 - Standardizing Environmental DNA Methodologies for Coho Salmon (PDF) - September 2022
• Task 4051 - Behavior in Vegetative Barriers of Aerosol Particulate Matter 2.5 (PM '2.5') and PM '10' along Highways (PDF) - August 2022
• Task 3357 - Assessing the Potential Impacts of Toll Discounts on ZEV Adoption (PDF) - May 2022
• Task 3263 - Quantify the Effect of Roadside Barrier on Near Road Air Pollutant Dispersion and Concentration (PDF) - November 2021
• Task 3783 - Response of San Joaquin Kit Foxes to Road Construction Project Sites: Mitigation Strategies to Minimize Project Delays and Impacts (PDF) - September 2021
• Task 3785 - An Assessment of Paved Road Dust Emissions (Road Dust) Modeling Methods (PDF) - September 2021
• Task 3787 - Roadway Crossings for Sensitive Amphibians and Reptiles: Phase II (PDF) - August 2021
• Task 3233 - Fish Passage Engineering Research (PDF) - March 2021
• Task 3696 - Effects of LED Lighting on Terrestrial Wildlife (PDF) - March 2021

Equipment

• Task 3869 - Investing Teleoperated Equipment for Use in Caltrans Operations (PDF) - February 2023
• Task 4131 - Zero Emission vehicle (ZEV) Tool Enhancement (PDF) - February 2023
• Task 4137 - Field Study of Battery-Electric Sweepers (PDF) - February 2023
• Task 4153 - Evaluation of Advanced Security Systems for Caltrans Equipment Yards/Maintenance Stations (PDF) - January 2023
• Task 3356 - Evaluating the Effectiveness of “Smart Pedal” Systems for Vehicle Fleets (PDF) - August 2022

Executive

• Task 3988 - Further Implications of Freeway Siting in California: An Equity, Geospatial, and Case Study Approach (PDF) - January 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
• Task 3606 - Applications of Enterprise GIS for Transportation, Guidance for a National Transportation Framework (AEGIST) – TPF-5(431) (PDF) -May 2022

Geotechnical/Structures

• Task 3170 - Develop MASH Bridge Railing that Satisfies State and Federal Historical Preservation Requirements [Type 86H Concrete Barrier Rail] (PDF) - February 2023
• Task 3668 - Refined Bridge Deck Design and Analysis (PDF) - February 2023
• Task 3673 - In-Service Structural Evaluation of Box Beam Overhead Sign Structures (PDF) - February 2023
• Task 3677 - Statistical Variation of Seismic Damage Index (DI) of California Bridges (PDF) - February 2023
• Task 3684 - Second Order Effects on the Design of Slender Reinforced Concrete Bridge Columns (PDF) -February 2023
• Task 3800 - Implementation of Advanced Technology and Materials Recycling Techniques for Use of Alternative Materials in Concrete as Plain or Reinforced Materials (PDF) - February 2023
• Task 3703 - Bridge Rapid Assessment Center for Extreme Events (PDF) - February 2023
• Task 3798 - Determination of Recovery Bridge Corridors by Comparing Post EQ Network (PDF) - February 2023
• Task 3945 - Evaluation of Seismic Design for Temporary Structures (PDF) - February 2023
• Task 4028 - Development of Design Evaluation Criteria in Performance Based Seismic Design (PBSD) of Cut and Cover Tunnel (PDF) - February 2023
• Task 3030 - Type 15-FBS Breakaway Pole Replacement Development and Testing (PDF) - November 2022
• Task 3031 - Type 85 Concrete Bridge Rail Development and Testing (PDF) - November 2022
• Task 3169 - Development of a Replacement for Breakaway Supports for Large Roadside Signs and Crash Testing to MASH 2016 Test Level 3 (PDF) - November 2022
• Task 1780 - Generation-2 Bridge Fragility Relationships, Production Analytical Components (PDF) - October 2022
• Task 3985 - Liquefaction-Induced Ground Settlement Procedure (PDF) - August 2022
• Task 2401 - Shaking Table Testing to Evaluate Effectiveness of Vertical Drains for Liquefaction Mitigation (PDF) - March 2022
• Task 3666 - Development of Effective Accelerated Bridge Construction (ABC) Methods for Bridge Abutment design and Construction (PDF) - February 2022
• Task 3982 - Evaluation of Soil Plug Geotechnical Resistance in the Design of CISS Piles (PDF) - December 2021
• 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 3699 - UCLA Geohazards Program (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 2865 - Reliable Post Grouting Techniques to Improve Shaft End-Bearing (PDF) - September 2021
• Task 3672 - Development of Alternative ABC Substructure Systems (PDF) - August 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 2859 - Enhancement to the Intelligent Construction Data Management System and Implementation, TPF-5(334) (PDF) - August 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
• Task 3032 - Development And Testing Of A MASH Compliant Guardrail Transition And Standardized Buttress (PDF) - February 2020    

Maintenance

• Task 2949 - ShakeCast, Connecting the DOTs (PDF) - February 2023
• Task 3258 - Autonomous Maintenance Technology Pooled Fund TPF-5(380) (PDF) - February 2023
• Task 3611 - Traffic Disruption-Free Bridge Inspection Initiative with Robotic Systems (PDF) - February 2023
• Task 3875 - Pilot Testing of Work Zone Intrusion Alarms (PDF) - February 2023
• Task 3926 - Evaluation of Unmanned Surface Vessel-Based Topographic and Bathymetric Survey System in Flood Conditions (PDF) - February 2023
• Task 4013 - Clear Roads Phase III TPF-5(479) (PDF) - February 2023
• Task 4158 - Field Trials of The Truck-Mounted Attenuator Accessory (TMAA) (PDF) - February 2023
• Task 4159 - Caltrans Field Trials of the Intelligent Truck-Mounted Attenuator (ITMA) (PDF) - February 2023
• Task 4161 - Evaluation of Remote Operation of Truck-Mounted Attenuator (TMA)-Equipped Shadow Vehicles for Use in Caltrans' Operations (PDF) - February 2023
• Task 4165 - Avalanche Research Pooled Fun 2.0 TPF-5(497) (PDF) - February 2023
• Task 4183 - Applications of Enterprise GIS in Transportation (AEGIST) Pooled Fund Study TPF-5(431) (PDF) - February 2023
• Task 4193 - Balsi Beam Implementation Research (PDF) - February 2023
• Task 3625 - Western Maintenance Partnership - Phase 3 TPF -5 (394) (PDF) - January 2023
• Task 4133 - Evaluation of a Portable Snow Melter for Use in Caltrans Maintenance (PDF) - January 2023
• Task 3704 - Improved Maintenance Methods for Bridge Drains and Expansion Joints (PDF) - December 2022
• Task 3919 - Targeted Warning Messages to Protect Moving and Stationary Maintenance Lane Closures (PDF) - December 2022
• Task 4128 - Evaluation of Commercial Forward-Looking Infrared Driver Assistance Technology for use in Emergency Tow Trucks and Snowplows (PDF) - December 2022
• Task 3735 - No Boundaries Transportation Maintenance Innovations (PDF) - August 2022
• Task 3833 - Evaluation of Heavy Equipment Simulator Systems (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
• Task 3176 - Research to Support Crack Cleaning Operations in Moving Lane Closures (PDF) - March 2020   

Modal

• Task 3370 - Centrally Coordinated Schedules and Routes of Airport Shuttles with Los Angeles Airport (LAX) Terminals as Application Area (PDF) - February 2023
• Task 3520 - Land Use Analysis on Vertiports Based on a Case Study of the San Francisco Bay Area (PDF) -February 2023
• Task 3657 - Developing segment and intersection-level BLOS measures for the SHS (PDF) - February 2023
• Task 3757 - Development of Integrated Unmanned Aerial Systems (UAS) Validation Center (PDF) - February 2023
• Task 3913 - Digital Mobility Assistant for Disabled Transit Users (PDF) - February 2023
• Task 3917 - Recommendations for Update of California Airport Land Use Handbook (PDF) - February 2023
• Task 3365 - All Aboard! Easier Transit Travel with Standardized Payments (PDF) - January 2023
• Task 3368 - Integrating Micromobility with Public Transportation (PDF) - January 2023
• Task 3454 - Measuring equity in public transit service: LA Metro and the Post-Decree Era (PDF) - January 2023
• Task 3514 - Measurement and Prediction of Transit System Performance Using Probe Data Generated through DSRC and non-DSRC Technologies (PDF) - January 2023
• Task 3515 - Advancing Adoption of General Specification Feed (GTFS) Programs in California (PDF) - January 2023
• Task 3519 - Developing Metrics to Measure Equity in Transit or Rail Projects (PDF) - January 2023
• Task 3333 - Quantifying the Effects of Vehicle Electrification Program on Traffic Loads (PDF) - November 2022
• Task 3694 - Caltrans Unmanned Aircraft System (UAS) Safety Management System (PDF) - November 2022
• Task 3788 - Further Development of a Deployable Integrated Transit Operations System (IDTO), Phase 2.5 (PDF) - November 2022
• Task 4097 - Caltrans UAS-Related Driver Distraction Research (PDF) - September 2022
• Task 3842 - Low- and Zero-Emission Rail Feasibility Study – Caltrans Intercity Passenger Services (PDF) - August 2022
• Task 3438 - Large-scale and Long-term Forecasting of Performance Measurement of Public Transportation Systems (PDF) - July 2022
• Task 3923 - Advanced Air Mobility Digitization (PDF) - June 2022
• Task 4093 - Survey: Causes of Transit Operator Shortages (PDF) - June 2022
• Task 4145 - Estimating Transit-Based Evacuation Demand in Wildfires (PDF) - June 2022
• Task 3507 - Curbside Management: Understanding Impacts of On-Demand Mobility on Public Transit Use and Vulnerable Road Users (PDF) - May 2022
• Task 3435 - Public Transportation, Transportation Network Companies (TNC) and Active Modes (PDF) - February 2022
• Task 3434 - Innovations in Transit: Case Study of the City of Monrovia using Lyft to Increase Transit Ridership (PDF) - August 2021
• Task 3509 - City Best Practices to Improve Transit Operations and Safety (PDF) - March 2021

Pavement

• Task 3768 - Concrete Coefficient of Thermal Expansion Moisture-Dependency and Tensile Creep (PDF) - February 2023
• Task 3811 - Updated Caltrans Rigid Pavement Design Catalog Using Pavement ME (PDF) - February 2023
• Task 3812 - Monitoring Performance of Concrete Overlay Projects (PDF) - February 2023
• 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) - February 2023
• Task 4124 - Further Development Towards Implementation of Likely Supplementary Cementitious Materials (PDF) - February 2023
• Task 3817 - PPRC 20 REC-A: Improved Guidance and Specifications for Full-Depth Reclamation 4.78 (PDF) - May 2022
• Task 3760 - RHMA -G Layer Thickness Limits (PDF) - March 2022
• Task 3761 - RAP/RAS in RHMA for use in Interlayers, Rich Bottom Layers, and Base for PCC (PDF) - March 2022
• Task 3766 - Tri-Annual Performance Model Update (PDF) - March 2022
• Task 3775 - Alternative Supplementary Cementitious Materials (SCMs) Sources (PDF) - March 2022
• Task 3809 - Mechanistic Empirical (ME) Design: Standard Materials (PDF) - March 2022
• Task 3810 - Further Improvement for CalME and Integration with PRS Into Routine Practice (PDF) - March 2022
• Task 3814 - Potential for Advanced Image Evaluation in APCS (PDF) - March 2022
• Task 3816 - Performance Related Specifications for Rubberized Asphalt Binder (PDF) - March 2022
• Task 3819 - Guidance, Tests and Specifications for High RAP/RAS in HMA and RHMA Mixes (PDF) - March 2022
• Task 3210 - Fast Model for Energy Consumption Due to Pavement Structural Response (PDF) - October 2021
• Task 2650 - Improving the Quality of Pavement Surface Distress and Transverse Profile Data Collection and Analysis (PDF) - August 2020
• Task 2746 - Technology Transfer Concrete Consortium (TTCC) (PDF) - August 2020
• Task 2789 - DRISI Support for the Long Term Pavement Performance (LTPP) Program - TPF-5(332) (PDF) - August 2020
• Task 3028 - National Road Research Alliance – NRRA TPF-5 (341) (PDF) - August 2020
• Task 3187 - Performance Related Testing in Superpave (PDF) - July 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 3200 - MED-E: ME Algorithms and Field Characterization (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 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 3457 - Validation of Freight Volume Modeling on Major Highway Links (PDF) - February 2023
• Task 3469 - Developing a Data Fusion Framework to Map Active Transportation Usage Patterns in Orange County (PDF) - February 2023
• Task 3471 - Studying the Effects of Disability on Choices and Desires for Travel and Neighborhood Location (PDF) - February 2023
• Task 3894 - Transportation Library Connectivity, TPF-5(442) (PDF) - February 2023
• Task 4173 - Investigation of the Abilities and Limitations of Travel Demand Modeling in Informing Decision-Making  (PDF) - February 2023
• Task 4272 - Caltrans Carbon Reduction Strategy (PDF) -February 2023
• Task 4169 - Quantitative Performance Measures for the Caltrans System Investment Strategy (PDF) - January 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 3366 - Coping with the Rise of E-Commerce Generated Home Deliveries Through Innovative Last-Mile Technologies and Strategies (PDF) - November 2022
• Task 3367 - Tools and Best Practices for Land Use Efficiency and Equity in Cities (PDF) - November 2022
• Task 3371 - Slow Streets and Dockless Travel: Using a Natural Experiment for Insight into the Role of Supportive Infrastructure on Non-Motorized Travel (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 3374 - Sustainability of Micromobility Services: Vehicle Miles Traveled (VMT) Reduction and Transit Connection (PDF) - November 2022
• Task 3378 - Data Dashboard and Capacity Building for Electric Carsharing in Underserved Black Indigenous People of Color (BIPOC) Communities (PDF) - November 2022
• Task 3381 - Learning Drivers’ Utility Functions in a Coordinated Freight Routing System Based on Drivers’ Actions (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 4179 - Equity Concerns Related to Inducted Travel (PDF) - October 2022
• Task 3467 - Student Transit Programs and Other Modes-to-School in California (PDF) - October 2022
• Task 3834 - Statewide Data Collection Strategic Plan (PDF) - August 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 3291 - Parking Utilization And Site Level Vehicle Miles Traveled (VMT) Database (PDF) - June 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 3361 - Bicycling as a Solution to Yosemite Traffic (PDF) - June 2022
• Task 3439 - The Implications of Freeway Siting in California: An Equity, Geospatial, and Case Study Approach (PDF) - June 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) - June 2022
• Task 3518 - Tribal Planning Needs Assessment – Phase 2 (PDF) - June 2022
• Task 3879 - Innovation Tools and Concept Strategies for System Planning (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 3352 - Exploring the Consumer Market and Environmental Impacts of Microtransit Services in Sacramento and Citrus Heights, California (PDF) - December 2021
• Task 3437 - Displacement and Commuting in the San Francisco Bay Area and Beyond: An Analysis of the Relationship Between the Housing Crises, Displacement, and Long Commutes (PDF) - December 2021
• Task 3512 - Assessing Public Health Benefits of Replacing Freight Trucks with Cargo Cycles in Last Leg Delivery Trips in Urban Centers (PDF) - November 2021
• Task 3453 - Modeling Multi-Modal Mobility in a Coupled Morning-Evening Commute Framework that considers Deadheading and Flexible Pooling (PDF) - August 2021
• 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
• Task 3332 - Cost of Plug-in Electric Vehicle Ownership: Understanding Vehicle Choice and Cost of Ownership Using Behavioral Data (PDF) - January 2021
• Task 3334 - A Before and After Evaluation of Volunteer Ride-hailing and a Mobility as a Service Platform in the San Joaquin Valley (PDF) - January 2021
• Task 3431 - Mobility, Accessibility and Disadvantaged Neighborhoods: Assessing Diversity in Transportation-Related Needs and Opportunities (PDF) - January 2021
• Task 3330 - Case studies on Local Finance and Planning Mechanisms for TOD, Transit, and Active Transport (PDF) - December 2020
• Task 3419 - Local Policy for Better Micromobility (PDF) - December 2020
• Task 3430 - The Effectiveness of Alternative Policy Designs on Electric Vehicle Adoption: Purchase Rebates, Guaranteed Financing and Per-eVMT (PDF) - December 2020
• Task 3321 - Failing Malls (PDF) - May 2020
• Task 3323 - Dock-based and Dockless Bikesharing Systems: Analysis of Equitable Access for Disadvantaged Communities (PDF) - April 2020
• Task 3402 - Measuring Accessibility Changes For Households Moving Away From Rail Transit Areas (PDF) - October 2019     

Research Support

• Task 3904 - Maintenance, Operation and Enhancement of Cellular Vehicle-to-Everything (C-V2X) Communication Infrastructure Phase III (PDF) - February 2023
• Task 4199 - Research Implementation Accelerator: Workshops and Seed Funding Program (PDF) - February 2023
• Task 4010 - Research Implementation Accelerator: Workshops and Seed Funding Program (PDF) - August 2022
• Task 3728 - Technology Transfer: Communications for Accelerating Adoption of Innovation (PDF) - February 2022

Right Of Way And Land Surveys 

• Task 3870 - Research and Development of the Caltrans’ Geospatial Technology Proving Ground (PDF) - December 2022
• Task 4120 - Accuracies and Standards for the Caltrans' Spatial Reference Network (CTSRN) (PDF) - December 2022

Rural

• Task 1749 - Professional Capacity Building for Communication Systems Phase V: Intelligent Transportation Systems (ITS) (PDF) - February 2023
• Task 1757/1758 - Western States Rural Transportation Consortium (PDF) - February 2023
• Task 3241 - Aurora Program - Pooled Fund Study - TPF-5(435) (PDF) - February 2023
• Task 3873 - Evaluation of Next Generation CCTV Encoders for ITS Field Elements (PDF) - February 2023
• Task 4008 - Responder Study - Interim Phase II - Continued Support for Responder Transition (PDF) - February 2023
• Task 4025 - Public Safety Power Shutdown – Hydrogen Fuel Cell Mitigation Pilot (PDF) - February 2023
• Task 4059 - SpaceX Starlink Satelite Broadband Communications for ITS Pilot (PDF) - February 2023
• Task 1755 - Demonstrating And Evaluating Intelligent Transportation Systems In Rural Environments (PDF) - February 2022
• Task 2649 - Aurora Program - Aurora Road Weather Information (ARWI) Systems, TPF-5 (290) (PDF) - February 2022
• Task 3280 - Developing an Unmanned Aerial Platform for Communication Systems (PDF) - February 2022
• Task 3756 - Responder Study – Interim Phase - Continued Support for Responder Transition (PDF) - August 2021

Traffic Operations

• Task 0373 - High Occupancy Vehicle (HOV)/ Managed Use Lane (MUL) -TPF-5(029) now TPF-5(322) (PDF) - February 2023
• Task 3272 - Enhanced Traffic Signal Performance Measures - Pooled Fund Study - TPF-5(377) (PDF) - February 2023
• Task 3637 - American Truck Parking Maintenance Project (PDF) - February 2023
• Task 3903 - Ramp Metering and HOV Lane Degradation Mitigation (PDF) - February 2023
• Task 3942 - Reimagining Sensor Deployment (PDF) - February 2023
• Task 3974 - TPF-5(440) - Support for Urban Mobility Analyses - Pooled Fund Study (PDF) - February 2023
• Task 4019 - Safety Service Patrol Standardization and Management Practices  - TPF-5(489) (PDF) - February 2023
• Task 4118 - TPF-5(487)- Transportation Management Centers (TMC) Pooled Fund Study - Phase II (PDF) - February 2023
• Task 2954 - Self De-Icing LED Signals (PDF) - August 2022
• 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 (PDF) - February 2023
• Task 2913 - Research study to encompass safety-effectiveness evaluations of priority strategies from the NCHRP Report 500 Guidebooks (PDF) - February 2023
• Task 3057 - Phase 2: Implementation Of Safety Performance Functions For California (PDF) -February 2023
• Task 3311 - TPF-5(384) - Exploring Non-Traditional Methods to Obtain Vehicle Volume and Class Data (PDF) - February 2023
• Task 3619 - Combined Variable Speed Limit and Coordinated Ramp Metering Along SR 99 Corridor (PDF) - February 2023
• Task 3705 - Developing engineering countermeasures for severely intoxicated drivers (PDF) - February 2023
• Task 3726 - Midwest Roadside Safety Facility Pooled Fund TPF-5(430) (PDF) - February 2023
• Task 3781 - Identification of ROR, CCL, MCMC and Wrong-way Collision Locations (PDF) - February 2023
• Task 3906 - Phase 4: Strategies for Reducing Pedestrian and Bicyclist Injury at the Corridor Level (SMART 4) (PDF) - February 2023
• Task 3935 - Complete Cities: Bicycle Network Connectivity Evaluation Methodology (PDF) - February 2023
• Task 3948  - Wrong Way Driver Mitigation (PDF) - February 2023
• Task 4016 - Developing a Safety Effectiveness Evaluation Tool for California (PDF) - February 2023
• Task 4057 - Phase 4: Pedestrian Safety Improvement Program (PDF) - February 2023
• Task 4058 - Phase 3: Implementation of Safety Performance Functions for California (PDF) - February 2023
• Task 4014 - Safe System Research and Implementation (PDF) - December 2022
• Task 3067 - Roadside Safety Research for MASH Implementation: TTI Pooled Fund Project TPF-5(343) (PDF) - November 2022
• Task 3896 - Developing A Safe System Approach to Setting Speed Limits (PDF) - November 2022
• Task 4007 - Case Studies and Practitioner Support for Developing A Safe System Approach to Setting Speed Limits (PDF) - November 2022
• Task 4015  - Evaluation of Vehicle Detection Systems Compared to Inductive Loops and Video Ground Truth Using the C1 Reader (PDF) - November 2022
• Task 4049  - ITS Field Device Research (PDF) - November 2022
• Task 3230 - Fostering Innovation in Pedestrian and Bicycle (PDF) - August 2022
• Task 3744 - Traffic Safety Culture: Drive Behavior (PDF) - August 2022
• Task 3353 - Analysis of Intelligent Vehicle Technologies to Improve Vulnerable Road Users Safety at Signalized Intersections (PDF) - July 2022
• Task 3706 - Management of Multiple Integrated Corridor Management (ICM) Corridors (PDF) - May 2022
• Task 2453 - Phase 3: Pedestrian Safety Improvement Program (PDF) - February 2022
• Task 3354 - Induced Travel Calculator Improvements (PDF) - February 2022
• Task 3648 - Wet And Nighttime SPFs Development (PDF) - February 2022
• Task 3449 - University Transportation Center (UTC) FAST Act - PSR 049: Investigation of LIDAR sensing technology to improve traffic monitoring along multilane freeways (PDF) - January 2022
• Task 1546 - C1 Loop Detector Reader/Analyzer (C1 Reader) (PDF) - August 2021
• Task 3246 - Graphical User Interface Development for Coordinated Ramp Metering (CRM) System (PDF) - May 2021
• Task 3427 - Software and Hardware Systems for Autonomous Smart Parking Accommodating both Traditional and Autonomous Vehicles (PDF) - January 2021
• Task 3290 - Development Of Active Transportation Safety Performance Functions In California (PDF) - August 2020
• Task 3412 - Promises And Projects: Examining Accountability And Flexibility In LOST Expenditure Plans (PDF) - May 2020
• Task 3406 - Evaluation Of Autonomous Vehicles And Smart Technologies For Their Impact On Traffic Safety And Traffic Congestion (PDF) - March 2020