TRB’s second Strategic Highway Research Program (SHRP 2) Report S2-SO1E-RW-1: Evaluation of Data Needs, Crash Surrogates, and Analysis Methods to Address Lane Departure Research Questions Using Naturalistic Driving Study Data examines the statistical relationship between surrogate measures of collisions (conflicts, critical incidents, near collisions, or roadside encroachment) and actual collis...

TRB’s Strategic Highway Research Program (SHRP 2) Report S2-S05-RR-1: Design of the In-Vehicle Driving Behavior and Crash Risk Study provides a summary of the key aspects of the planning effort supporting the SHRP 2 Naturalistic Driving Study (NDS). SHRP 2 Safety Project S05: Design of the In-Vehicle Driving Behavior and Crash Risk Study (Study Design) designed the SHRP 2 NDS, which will collec...

TRB’s second Strategic Highway Research Program (SHRP 2) Report S2-S03-RW-1: Roadway Measurement System Evaluation documents the evaluation of automated, mobile data-collection services to provide data on roadway features and characteristics considered important for safety analysis, especially analysis of data from the SHRP 2 Naturalistic Driving Study. This report is only available in electron...

TRB’s second Strategic Highway Research Program (SHRP 2) Report S2-R26-RR-2: Guidelines for the Preservation of High-Traffic-Volume Roadways explores the state of the practice for preservation treatments on high- and low-volume asphalt and concrete roadways. The report also includes suggested guidelines on the application of preservation treatments on high-volume roadways. Errata (October 2011)...

TRB’s second Strategic Highway Research Program (SHRP 2) Report S2-R26-RR-1: Preservation Approaches for High-Traffic-Volume Roadways documents the state of the practice of preservation treatment on asphalt and concrete pavements on high- and low-volume roadways. The report also report includes general guidelines on the application of preservation treatments on high-volume roadways. The same pr...

TRB’s second Strategic Highway Research Program (SHRP 2) Report S2-R15-RW: Integrating the Priorities of Transportation Agencies and Utility Companies examines current practices, opportunities for enhancement, and anticipated barriers for integrating utility and transportation agency priorities in highway renewal projects.  The report also explores 13 best practices that span the whole pro...

TRB’s second Strategic Highway Research Program (SHRP 2) Report S2-R06-RW: A Plan for Developing High-Speed, Nondestructive Testing Procedures for Both Design Evaluation and Construction Inspection examines existing and emerging nondestructive evaluation (NDE) technologies and their current state of implementation to satisfy the NDE needs for highway renewal. The report also explores a research...

TRB’s second Strategic Highway Research Program (SHRP 2) Report S2-R01-RW-2: Development of the Selection Assistant for Utility Locating Technologies documents the development of the  Selection Assistant for Utility Locating Technologies (SAULT) web-based software tool that provides decision-support software and supporting information databases for the selection of utility-locating approac...

TRB's second Strategic Highway Research Program (SHRP 2) Report S2-R01-RW: Encouraging Innovation in Locating and Characterizing Underground Utilities explores underground utility locating practices, examines current and emerging technologies, and identifies potential areas for improvement and for subsequent research. Report S2-R01-RW is only available in electronic format.

TRB’s second Strategic Highway Research Program (SHRP 2) Report S2-L13-RW-1: Requirements and Feasibility of a System for Archiving and Disseminating Data from SHRP 2 Reliability and Related Studies explores the feasibility of developing and populating an online archive for the great variety and volume of data being produced by the SHRP 2 Reliability focus area research program. The goal of the...

TRB’s second Strategic Highway Research Program (SHRP 2) Report S2-L10-RR-1: Feasibility of Using In-Vehicle Video Data to Explore How to Modify Driver Behavior That Causes Nonrecurring Congestion presents findings on the feasibility of using existing in-vehicle data sets, collected in naturalistic driving settings, to make inferences about the relationship between observed driver behavior and ...

TRB’s second Strategic Highway Research Program (SHRP 2) Report S2-L06-RR-2 Guide to Improving Capability for Systems Operations and Management examines the way transportation agencies should be organized to successfully execute operations programs that improve travel time reliability. After the guide was submitted for publication, the American Association of State Highway and Transportation Of...

TRB’s second Strategic Highway Research Program (SHRP 2) Report S2-L01-RR-2: Guide to Integrating Business Processes to Improve Travel Time Reliability explores various ways that transportation agencies could reengineer their day-to-day business practices to enhance traffic operations, address nonrecurring traffic congestion, and improve the reliability of travel times delivered to roadway syst...

TRB’s second Strategic Highway Research Program (SHRP 2) Report S2-C02-RR: Performance Measurement Framework for Highway Capacity Decision Making explores a performance measurement framework that is designed to support the collaborative decision-making framework (CDMF) for additions to highway capacity being developed under the SHRP 2 Capacity research program. The report examines five broad a...

TRB’s second Strategic Highway Research Program (SHRP 2) Report: S2-L01-RR-1: Integrating Business Processes to Improve Travel Time Reliability addresses various ways that transportation agencies can reengineer their day-to-day business practices to help improve traffic operations, address nonrecurring traffic congestion, and improve the reliability of travel times delivered to roadway system u...