Appendix A FY 2022/23 Research Notes

The following links contain detailed information about the research projects per the Program Steering Committee.

Advanced Research

Task 3614 - Connected Vehicle - Pooled Fund Study- TPF-5(389) (PDF) – May 2023

Task 3743 - I-10 Connected Corridor Coalition Truck Parking Availability System (TPAS) (PDF) - May 2023

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 4081 – Guidance on Roadside Units Placement for Future Deployment of Connected and Automated Vehicle Applications (PDF) - May 2023

Task 2926 - Evaluating the Performance of Traffic Detection Devices (PDF) - May 2023

Task 3789 - California PATH Program Management (PDF) - May 2023

Task 4005 - Next Generation C1 Loop Detector Reader (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 3900 - A Roadmap for Flow Smoothing Via Connected and Automated Vehicles (CAV) In California (PDF) - February 2023

Design/Construction

Task 4017 - Building Information Modeling (BIM) for Infrastructure (PDF) - May 2023

Task 3839 - Richmond San-Rafael Bridge and Sir Francis Drake Pilot (Phase II) (PDF) - May 2023

Task 3911 - Determine Regional Sediment Bulking Methods for Northern California in Support of Wildfire Mitigation (PDF) - May 2023

Task 3286 - Gravel-Bed River Assessment Tool for Improved Resiliency of Engineering Design (PDF) - May 2023

Task 3302 - Evaluate Zero-Emission Vehicle Charging Stations at Caltrans Facilities (PDF) - February 2023

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 3909 - Safety of Earthen Stormwater Infiltration Best Management Practices (BMP) Adjacent to Highways - Phase II (PDF) - January 2023

Environmental

Task 3263 - Quantify the Effect of Roadside Barrier on Near Road Air Pollutant Dispersion and Concentration (PDF) - April 2023

Task 3237 - Soil Amendment Guidance for Infiltration and Stormwater Treatment - April 2023

Task 3696 - Effects of LED Lighting on Terrestrial Wildlife (PDF) - April 2023

Task 3697 - Standardizing Environmental DNA Methodologies for Coho Salmon (PDF) - April 2023

Task 3783 - Response of San Joaquin Kit Foxes to Road Construction Project Sites: Mitigation Strategies to Minimize Project Delays and Impacts (PDF) - April 2023

Task 3785 - An Assessment of Paved Road Dust Emissions (Road Dust) Modeling Methods (PDF) - April 2023

Task 3787 - Roadway Crossings for Sensitive Amphibians and Reptiles: Phase II (PDF) - April 2023

Task 4051 - Behavior in Vegetative Barriers of Aerosol Particulate Matter 2.5 (PM '2.5') and PM '10' along Highways (PDF) - April 2023

Task 4052 - Address Microplastics from Thermoplastic Stripe and Markings - April 2023

Task 4054 - Stone Lagoon U.S. 101 Elk Electronic Detection System - April 2023

Task 3357 - Assessing the Potential Impacts of Toll Discounts on ZEV Adoption (PDF) - May 2022

Equipment

Task 4288 - Evaluation of Mobile Robot Teams for Security of Caltrans Equipment Yards and Maintenance Stations (PDF) - July 2023

Task 4153 - Evaluation of Advanced Security Systems for Caltrans Equipment Yards/Maintenance Stations (PDF) - July 2023

Task 3869 - Investing Teleoperated Equipment for Use in Caltrans Operations (PDF) - May 2023

Task 4131 - Zero Emission vehicle (ZEV) Tool Enhancement (PDF) - February 2023

Task 4137 - Field Study of Battery-Electric Sweepers (PDF) - February 2023

Executive

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 3031 - Type 85 Concrete Bridge Rail Development and Testing (PDF) - June 2023

Task 3170 - Type 86H Concrete Barrier Rail (PDF) - May 2023

Task 3030 - Type 15-FBS Breakaway Pole Replacement Development and Testing (PDF) - May 2023

Task 4026 - Development of Headed Bar Reinforcement (PDF) - May 2023

Task 3169 - Development of a Replacement for Breakaway Supports for Large Roadside Signs and Crash Testing to MASH 2016 Test Level 3 (PDF) - May 2023

Task 4039 – Develop a Seismic Risk Matrix to Rank Caltrans Tunnel Inventory (PDF) – March 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 1780 - Generation-2 Bridge Fragility Relationships, Production Analytical Components (PDF) - October 2022

Task 3666 - Development of Effective Accelerated Bridge Construction (ABC) Methods for Bridge Abutment design and Construction (PDF) - February 2022

Maintenance

Task 4128 - Evaluation of Commercial Forward-Looking Infrared Driver Assistance Technology for use in Emergency Tow Trucks and Snowplows (PDF) - June 2023

Task 3919 - Targeted Warning Messages to Protect Moving and Stationary Maintenance Lane Closures (PDF) - June 2023

Task 3625 - Western Maintenance Partnership - Phase 3 TPF -5 (394) (PDF) - June 2023

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 3735 - No Boundaries Transportation Maintenance Innovations (PDF) - August 2022

Modal

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 3917 - Recommendations for Update of California Airport Land Use Handbook (PDF) - May 2023

Task 3514 - Measurement and Prediction of Transit System Performance Using Probe Data Generated through DSRC and non-DSRC Technologies (PDF) - May 2023

Task 3515 - Advancing Adoption of General Specification Feed (GTFS) Programs in California (PDF) - May 2023

Task 4097 – Caltrans UAS-Related Driver Distraction Research (PDF) - September 2022

Task 4145 - Estimating Transit-Based Evacuation Demand in Wildfires (PDF) - June 2022

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 3810 – Further Improvement for CalME and Integration with PRS Into Routine Practice (PDF) - March 2022

Task 3816 - Performance Related Specifications for Rubberized Asphalt Binder (PDF) - March 2022

Planning/Policy/Programming

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 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 3367 - Tools and Best Practices for Land Use Efficiency and Equity in Cities (PDF) - November 2022

Task 3447 - Redeveloping Failing Malls in California (PDF) - November 2022

       Task 4146 - Reconnecting Communities Research (PDF) – October 2022

       Research Support

Task 3904 - Maintenance, Operation and Enhancement of Cellular Vehicle-to-Everything (C-V2X) Communication Infrastructure Phase III (PDF) - May 2023

Task 4199 - Research Implementation Accelerator: Workshops and Seed Funding Program (PDF) - February 2023

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 1757/1758 - Western States Rural Transportation Consortium (PDF) - May 2023

Task 3241 - Aurora Program - Pooled Fund Study - TPF-5(435) (PDF) - May 2023

Task 3873 - Evaluation of Next Generation CCTV Encoders for ITS Field Elements (PDF) - May 2023

Task 4008 - Responder Study - Interim Phase II - Continued Support for Responder Transition (PDF) - May 2023

Task 4025 - Public Safety Power Shutdown – Hydrogen Fuel Cell Mitigation Pilot (PDF) - May 2023

Task 4059 - SpaceX Starlink Satellite Broadband Communications for ITS Pilot (PDF) - May 2023

Task 2649 - Aurora Program - Aurora Road Weather Information (ARWI) Systems, TPF-5 (290) (PDF) - February 2022

Traffic Operations

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 4188 - TPF-5(487)- Transportation Management Centers (TMC) Pooled Fund Study - Phase II (PDF) - May 2023

Task 4019 - Safety Service Patrol Standardization and Management Practices  - TPF-5(489) (PDF) - May 2023

Task 3637 - American Truck Parking Maintenance Project (PDF) - May 2023

Task 3903 - Ramp Metering and HOV Lane Degradation Mitigation (PDF) - May 2023

Task 0373 - High Occupancy Vehicle (HOV)/ Managed Use Lane (MUL) -TPF-5(029) now TPF-5(322) (PDF) - May 2023

Task 3974 - TPF-5(440) - Support for Urban Mobility Analyses - Pooled Fund Study (PDF) - February 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

Transportation Safety and Mobility (TS&M)

Task 3067 - Roadside Safety Research for MASH Implementation: TTI Pooled Fund Project TPF-5(343) (PDF) - June 2023

Task 2913 - Research study to encompass safety-effectiveness evaluations of priority strategies from the NCHRP Report 500 Guidebooks (PDF) - May 2023

Task 3311 - TPF-5(384) - Exploring Non-Traditional Methods to Obtain Vehicle Volume and Class Data (PDF) - May 2023

Task 3619 - Combined Variable Speed Limit and Coordinated Ramp Metering Along SR 99 Corridor (PDF) - May 2023

Task 3896 - Developing A Safe System Approach to Setting Speed Limits (PDF) - May 2023

Task 2318 - Highway Safety Manual Implementation (PDF) - May 2023

Task 3781 - Identification of ROR, CCL, MCMC and Wrong-way Collision Locations (PDF) - May 2023

Task 3906 - Phase 4: Strategies for Reducing Pedestrian and Bicyclist Injury at the Corridor Level (SMART 4) (PDF) - May 2023

Task 3935 - Complete Cities: Bicycle Network Connectivity Evaluation Methodology (PDF) - May 2023

Task 4057 - Phase 4: Pedestrian Safety Improvement Program (PDF) - May 2023

Task 4058 - Phase 3: Implementation of Safety Performance Functions for California (PDF) - May 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 3948 - Wrong Way Driver Mitigation (PDF) - February 2023

Task 4014 - Safe System Research and Implementation (PDF) - December 2022

Task 3744 - Traffic Safety Culture: Drive Behavior (PDF) - August 2022