Current Research Reports

Design/Construction Research

• Capital Outlay Support: Percentage Baseline and Benchmark - June 2011, 1.3 MB

• Development and Crash Testing of an Aesthetic, See-Through Bridge Rail, Type 90 - December 2008, 5.41 MB

• Use of Organic Amendments for Revegetation of Disturbed Sites with Adverse Soil Conditions - December 2008, 578 kB

• Vegetation Conversion to Desirable Species Along Caltrans Rights-of-Ways - December 2008, 2.52 MB

• Using Reinforced Native Grass Sod for Biostrips, Bioswales, and Sediment Control - December 2008, 3.83 MB

• Development and Crash Testing of an Aesthetic, See-Through Bridge Rail, Type 90 - December 2008, 5.5 MB

• Development of a Safety Management Protocol - September 2008, 660 kB

Environmental Research

• Effects of Four-Lane Highways on Desert Kit Fox and Swift Fox: Inferences for the San Joaquin Kit Fox Population - April 2010, 1.2 MB

• Methods For Excluding Cliff Swallows From Nesting on Highway Structures - April 2009, 1.49 MB

• The Effects of Highways and Highway Construction Activities on Valley Elderberry Longhorn Beetle Habitat - March 2009, 811 kB

• Advanced Traffic Technology Test-Bed - December 2008, 576 kB

• Development of an Exposure Model for Diesel Locomotive Emissions Near the Alameda Corridor - February 2008, 5.9 MB

Geotechnical/Structures Research

• Fatigue Life of Steel Base Plate to Pole Connections for Traffic Structures - July 2011, 3.8 MB

• ShakeCast - Developing a Tool for Rapid Post-Earthquake Response - June 2009, 21.6 MB

• Pile Group Program for Full Material Modeling and Progressive Failure - December 2008, .99 MB

• Development and Validation of the Downhole Freestanding Shear Device (DFSD) for Measuring the Dynamic Properties of Clay - December 2008, 34.7 MB

• The Evaluation of Key System Performance Measures for the Kings Stormwater Crossing Bridge Using a Level IV Non-Destructive Damage Evaluation Method - December 2008, 4.31 MB

• Analysis of Laterally Loaded Long or Intermediate Drilled Shafts of Small or Large Diameter in Layered Soils - December 2008, 2.5 MB

• Vibration-Based Structural Health Monitoring of Highway Bridges - December 2008, 12.1 MB

• Socio-Economic Effect of Seismic Retrofit Implemented on Bridges in the Los Angeles Highway Network - December 2008, 6.34 MB

• Investigation of Flange Failures in Falsework Cap and Sill Beams - December 2008, 3.14 MB

• Load Capacity, Failure Mode and Design Criteria Investigation of Sand Jacks - December 2008, 1.59 MB

• Long-Term Structural Performance Monitoring of Bridges - December 2008, 7.3 MB

• Snaplock Fiber Reinforced Composites Technology Applied to Overhead Sign Structures - December 2008, 3.52 MB

• Placement of Mass Concrete for Cast-in-Place Concrete Piling - December 2008, 1.74 MB

• Effect of Fabrication Procedures and Weld Melt-Through on Fatigue Resistance of Orthotropic Steel Deck Welds - December 2008, 6.73 MB

• Evaluation and Implementation of an Improved Methodology for Earthquake Ground Response Analysis - December 2008, 18.9 MB

• End-User Interest in Geotechnical Data Management Systems - November 2008, 10.1 MB

• Investigation of Integrity and Effectiveness of RC Bridge Deck Rehabilitation Using CFRP Composites - November 2008, 4.13 MB

• Visual Inspection & Capacity Assessment of Earthquake Damaged Reinforced Concrete Bridge Elements - November 2008, 34.2 MB

• Investigation of Integrity and Effectiveness of RC Bridge Deck Rehabilitation Using CFRP Composites - November 2008, 34.2 MB

Maintenance Research

• Scientific Evaluation of the ArmorGuard Mobile Barrier System - June. 2011, 1.3 MB

• Identifying Excessive Vehicle Idling and Opportunities for Off-Road Fuel Tax Credits for Stationary Operations in the Caltrans Fleet - Phase 1 - September 2009, 2.6 MB

• Carrier Phase Differential GPS aided INS for Snowplow Guidance - December 2008, 1.5 MB

• Applying Safety Improvements to Fleet Vehicles - December 2008, 8.8 MB

• Development of Vegetation Cutting Tool Attachments for the Automated Roadway Debris Vacuum - December 2008, 6.81 MB

• Intelligent Herbicide Application System for Reduced Herbicide Vegetation Control Phase II - Commercialization - December 2008, 26.8 MB

• Homeland Security: Keeping Abreast of Transportation Security Technologies and Best Practices - December 2008, 1.0 MB

• Event Driven Video Monitoring for Driver Training: Evaluation of Pilot Project - October 2008, 13.1 MB

• Caltrans Bridge Inspection Aerial Robot - October 2008, 0.98 MB

• Workzone Safety Improvements through Enhanced Warning Signal Devices - January 2008, 2.7MB

Modal Research

• Development of an Integrated Adaptive Transit Signal Priority (ATSP) and Dynamic Passenger Information (DPI) System - August 2011, 1.8MB

• State and Federal Project Development Procedures for Bus Rapid Transit: Managing Differences and Reducing Implementation Delays - August 2011, 745 kB

• Assess the Trade-Offs between People Throughput and Level of Service Degradation in the Conversion of a Mixed Flow Lane to a Bus Only Lane on US 101 - May 2011, 3.6 MB

• Airport Managers' Guide for the Maintenance of Asphalt Pavements of General Aviation Airports - January 2009, 3.3 MB

• Emergency EDAPTS Retainer Support - December 2008, 980 kB

• Transit Signal Priority Research Tools - May 2008, 2.7 MB

Division of Research and Innovation Research

• Promoting Research Results and New Technologies: Making the Case for Accelerated Deployment - July 2011, 10.6MB

• Liability and Regulation of Autonomous Vehicle Technologies - April 2009, 528 kB

• Evaluating Wireless Broadband and System at California Safety Roadside Rest Areas - December 2008, 7.0MB

Pavement Research

• Development of Bus Rapid Transit Performance Assessment Guide Tool - September 2010, 561 kB

• Noise Barrier Design: Danish and Some European Examples - May 2010, 8.5 MB

• Highway Noise Abatement: Planning Tools and Danish Examples - May 2010, 4.5 MB

• Temperature Influence on Road Traffic Noise: Californian OBSI Measurement Study - May 2010, 2.5 MB

• Acoustic Aging of Asphalt Pavements: A Californian/Danish Comparison - May 2010, 1.9 MB

• Warm-Mix Asphalt Study: Laboratory Test Results for AkzoNobel Rediset WMX - April 2010, 1.4 MB

• Mn/ROAD Case Study Using CalBack and CalME - August 2009, 1.3 MB

• Friction Testing of Pavement Preservation Treatments: Friction Measurements on Fog Seal Trials Using Six Rejuvenators, State Route KER58 - July 2009, 264 kB

• Friction Testing of Pavement Preservation Treatments: Temperature Corrections and Operator/Machine Variability - April 2009, 216 kB

• Full-Depth Pavement Reclamation with Foamed Asphalt in California: Guidelines for Project Selection, Design, and Construction - March 2009, 4.1 MB

• Summary Report: The Phase 1 I-710 Freeway Rehabilitation Project: Initial Design (1999) to Performance after Five Years of Traffic (2009) - February 2009, 2.5 MB

• Investigation of Noise and Durability Performance Trends for Asphaltic Pavement Surface Types: Three-Year Results - January 2009, 4.4 MB

• Development of Thin HMA Overlay Crack Initiation and Progression Probabilistic Models - December 2008, 2.2 MB

• Pavement Performance Evaluation, Phase II - Data Collection - December 2008, 3 MB

• Alligator Cracking Performance and Life-Cycle Cost Analysis of Pavement Preservation Treatments - October 2008, 6.7 MB

• Development of an Empirical-Mechanistic Model of Overlay Crack Progression using Data from the Washington State PMS Database - October 2008, 577 kB

• Development of Empirical-Mechanistic Pavement Performance Models using Data from the Washington State PMS Database - October 2008, 559 kB

• Investigation of Noise, Durability, Permeability, and Friction Performance Trends for Asphalt Pavement Surface Types: First- and Second-Year Results: Summary Report - August 2008, 499 kB

• Warm-Mix Asphalt Study: Test Track Construction and First-Level Analysis of Phase 1 HVS and Laboratory Testing - July 2008, 7.1 MB

• Full-Depth Pavement Reclamation with Foamed Asphalt: Final Report - April 2008, 8.4 MB

• Construction and Traffic Analysis of Interstate 15 (Devore II) Concrete Pavement Reconstruction Project - March 2008, 2.9 MB

• Estimating Wet-Pavement Exposure with Precipitation Data - March 2008, 1.3 MB

• Investigation of Noise, Durability, Permeability, and Friction Performance Trends for Asphaltic Pavement Surface Types: First- and Second-Year Results - February 2008, 2.8 MB

Planning/Policy/System Information (PPSI) Research

• Trip-Generation Rates for Urban Infill Land Uses in California Phase 2 - June 2009, 8.4 MB

• Evaluating the Emissions from Heavy-Duty Construction Equipment - December 2008, 9.2 MB

• A Statewide Optimal Resource Allocation Tool Using Geographic Information Systems, Spatial Analysis, and Regression Methods - October 2008, 1.0 MB

• Trip-Generation Rates for Urban Infill Land Uses in California Phase 1 - April 2008, 6.9 MB

• Connecting Transportation Decision Making with Responsible Land Use: State and Regional Policies, Programs, and Incentives - February 2008, 1.5 MB

Rural Research

• Improve communications between TMC and TMS elements in a rural environment through a system that is deployable statewide - October 2008, 670 kB

Transportation Safety and Mobility (TS&M) Research

• The Connected Traveler Project: A Component of the SafeTrip-21 Initiative - May 2012, 353 kB

• Integrated Work Zone Traffic Management - September 2011, 5.0 MB

• Strategies for Reducing Pedestrian and Bicyclist Injury at the Corridor Level - July 2011, 1.7 MB

• Implementation and Evaluation of Automated Vehicle Occupancy Verification - May 2011, 5.4 MB

• SafeTrip 21 Initiative: Networked Traveler Foresighted Driving Field Experiment - April 2011, 3.9 MB

• Diagnosing Chronic Errors in Freeway Loop Detectors from Existing Field hardware - March 2011, 5.3 MB

• Methods for Identifying High Collision Concentration Locations (HCCL) for Potential Safety Improvements - Phase II - January 2011, 2.0 MB

• Early Warning System for Bridge Hits by Tall Load Vehicles - December 2008, 2.13 MB

• Assessment of the Applicability of Cooperative Vehicle-Highway Automation Systems (CVHAS) to Bus Transit and Intermodal Freight: Case Study Feasibility Analyses in the Metropolitan Chicago Region - December 2008, 6.23 MB

• Commercially-off-the-Shelf (COTS) and Emerging Technologies Sensor Testing and Evaluation - December 2008, 959 kB

• Integrated Multi-Channel Vehicle-Vehicle and Vehicle-Roadside Communications for ITS - December 2008, 21.1 MB

• Expediting Vehicle Infrastructure Integration (EVII): Where the Rubber Meets (and Talks to) the Road - December 2008, 2.3 MB

• Compliance Crash Testing of a Type 60K Terminous - December 2008, 1.7 MB

• Crashworthiness Testing of a Portable Maintenance Work-Zone Barrier - December 2008, 3.0 MB

• Development of Staking Configurations for K-Rail - December 2008, 4.9 MB

• Evaluation of Commercial Video-Based Intersection Signal Actuation Systems - December 2008, 700 kB

• ITS Pilot Project Demonstration Program Summary Report - December 2008, 5.29 MB

• Improve Freq Macroscopic Freeway Analysis Model - July 2008, 358 kB

• On the Formulation and Solution of an Emergency Routing Problem - March 2008, 322 kB

Right of Way and Land Surveys Research

• Efficient Routing for Safety Applications in Vehicular Networks - March 2009, 551 kB

• Applying Smart Growth Principles and Applying Strategies to Resolving Land Use Conflicts Around Airports - September 2008, 24.8 MB

• Cargo Security Early Warning System - The Application of Neural Networks to Detect Cargoes with Potential Security Fraud - August 2008, 696 kB

• An Ambit-Based Activity Model for Evaluating Green House Gas Emission Reduction Policies - August 2008, 1.1 MB

• Creating an Educational Network in California to Assess and Address its Future Transportation Education Challenges - July 2008, 500 kB

• On Sequencing of Container Deliveries to Over-the-Road Trucks from Yard Stacks - July 2008, 229 kB

• Reducing Diesel NOx and PM Emissions of Diesel Buses and Trucks - July 2008, 887 kB

• Neighborhood Crime and Travel Behavior: An Investigation of the Influence of Neighborhood Crime Rates on Mode Choice - April 2008, 1.2 MB

• Impact of New Diesel Fuels Used in Port Operations on Subsurface Quality - April 2008, 358 kB

• Investigation of Noise, Durability, Permeability, and Friction Performance Trends for Asphaltic Pavement Surface Types: First- and Second-Year Results - February 2008, 5.8 MB

• Better Delivery/Pick Up Routes in the Presence of Uncertainty - January 2008, 5.2 MB