TRB’s Transportation Research Record, Journal of the Transportation Research Board, No. 2229 includes 12 papers that explore reliability benefits of ramp metering; quantification of nonrecurrent congestion delay caused by freeway accidents and analysis of causal factors; spatiotemporal patterns o
TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2344 contains 16 papers that explore the effectiveness of Bayesian updating attributes in data transferability applications; social adoption in design and analysis of stated-choice experiments related to choic
TRB’s Transportation Research Record (TRR): Journal of the Transportation Research Board, No. 2429 consists of 19 papers that examine methods for quantitative risk analysis for travel demand model forecasts; models of demand elasticity and route overlapping; ways of incorporating the variable of
TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2430 consists of 23 papers that examine modeling demand for bikesharing systems; origin-destination centrality to estimate directional bicycle volumes; imputation of GPS traces forcing full or partial consiste
A feature article in the September-October 2009 issue of the TR News explores differences in the travel behavior of minority populations that could have wide-reaching implications for short- and long-term policy development, planning, and travel demand forecasting.
TRB’s National Cooperative Highway Research Program (NCHRP) Report 526: Snow and Ice Control: Guidelines for Materials and Methods provides guidance for selecting roadway snow and ice control strategies, and tactics for a wide range of winter maintenance operating conditions. This guidance applie
The Report to Congress summarizes the key results for the Value Pricing Pilot Program (VPPP) since 1991. Projects and studies conducted as part of the VPPP have provided many valuable lessons, but six key findings demonstrate the significant progress made in the past few years toward successful d
TRB’s Transportation Research Record (TRR): Journal of the Transportation Research Board, No. 2435 consists of nine papers that examine the use of the Monte Carlo simulation for a sensitivity analysis of highway safety manual calibration factors; a variable speed limit control strategy; safety ef
TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2364 consists of 10 papers that explore variable speed limit control strategies; opinions on safety policy; rural roadway departure crashes; traffic calming measures in New York City; safety management tools;
TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2423 consists of nine papers that summarize the opportunities for intelligent transportation systems in the energy arena; effects of tactile location, pulse duration, and interpulse intervals on perceived urge
This report summarizes the proceedings of the 2014 Transportation Asset Management Peer Exchange hosted by the Federal Highway Administration (FHWA) and the American Association of State Highway and Transportation Officials (AASHTO). The peer exchange was held in Miami, Florida on May 1st, 2014.
TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2423 consists of nine papers that summarize the opportunities for intelligent transportation systems in the energy arena; effects of tactile location, pulse duration, and interpulse intervals on perceived urge
TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2280 consists of 20 papers that explore setting variable speed limits; hard highway shoulder running; computer vision-based safety evaluations; safety intervention models; safety effectiveness of Super 2 highw
This report summarizes the proceedings of the 2013 Transportation Asset Management Peer Exchange hosted by the Federal Highway Administration (FHWA) and the American Association of State Highway and Transportation Officials (AASHTO). The peer exchange was held in Burlington, Vermont on July 24th
This report summarizes the proceedings of the Asset Management and Management of Highway Performance Peer Exchange hosted by the Federal Highway Administration and the American Association of State Highway and Transportation Officials. The peer exchange was held in Washington, D.C. on August 17,
This Informational Brief highlights ramp metering as a proven, effective strategy for reducing congestion and improving safety. The Brief covers at a high-level the benefits of ramp metering, status of ramp metering deployment in the U.S., keys for successful deployment and operation, and resourc
This primer poses ramp metering as a potential tool to address commonly occurring congestion and safety issues. Despite initial opposition and skepticism from various stakeholders, ramp metering has been deployed, sustained, and even expanded in many regions. This primer incorporates recent resea
OR 217, a 7.5-‐mile limited-‐access expressway in Portland, Oregon was the subject of several studies that recommended capacity and interchange improvements costing nearly $1 billion. Because of limited funding, the Oregon Department of Transportation (ODOT) and the DKS Associates Team evaluate
The management of highway traffic incidents that occur on Oregon state highways requires the response of multiple state and local government organizations. Emergency incidents can range from a vehicle crash to a landslide that has closed a highway. Interagency communication is needed to insure th
The guide is intended to provide transit agency staff with an easy-to-use resource for improving pedestrian safety. The guide includes a variety of approaches to address common pedestrian safety issues that are likely to arise near transit stations, bus stops, and other places where transit (bus
TRB’s Transit Cooperative Research Program (TCRP) Synthesis 59: Strategic Planning and Management in Transit Agencies examines the value and benefits of strategic planning and management in transit agencies. The report also provides case studies from five transit a
TRB’s Transit Cooperative Research Program (TCRP) Synthesis 13: Risk Management for Small and Medium Transit Agencies provides information on how small and medium-sized transit agencies can evaluate various approaches to risk management and can access risk management services at reasonable cost.&
This white paper describes example best practices and reference material related to the identified implementation plan priority needs. The paper also suggests supportive national actions to improve TSM&O Business Processes – development of a program of webinars, guidelines, and lessons-l
This white paper describes example best practices and reference material regarding the implementation plan priority needs noted above. The paper also suggests supportive national actions to improve Systems and Technology including: compiling examples of best practices for the use of Statewide and
This white paper describes example best practices and reference material regarding the implementation plan priority needs noted above. The paper also suggests supportive national actions to improve TSM&O Performance Measurement including: developing standard definitions and procedures for pla
This white paper describes example best practices and reference material related to the identified implementation plan priority needs. The paper also suggests supportive national actions to improve TSM&O Culture; developing resources to support effective TSM&O business cases; clarifying t
This white paper describes example best practices and references material related to the identified implementation plan priority needs. The paper also suggests supportive national actions to improve TSM&O Organization and Staffing – development of a TSM&O organization and staffing ga
This white paper describes example best practices and reference material related to the identified implementation plan priority needs. The paper also suggests supportive national actions to improve TMCs Collaboration – development of a program of webinars, guidelines, and lessons-learned to
This paper is a deliverable on a technical support task for the FHWA Office of Operations. The objective of the task is to develop white papers on emerging and current topics of interest to the Office. Topics for white papers were primarily identified and prioritized based on internal listening s
TRB’s Transit Cooperative Research Program (TCRP) Synthesis 115: Open Data: Challenges and Opportunities for Transit Agencies documents the current state of the practice in the use, policies, and impact of open data for improving transit planning, service quality, and treatment of customer inform
TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2006 includes 13 papers that explore intermodal transfer facilities and transit capacity and quality of service, modernizing streetcar systems and trolley service, ridership on the Los Angeles Metro System Gre
TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 1978 contains 24 papers that explore different aspects of traffic signal systems and regional systems management. Specific topics addressed by papers in this issue of the TRR: Journal include detecting b
June 2015 NOCoE Newsletter
TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2065 includes 8 papers that explores a new active traffic management approach for metropolitan freeways; an innovative approach to statewide sketch planning for traffic operations in Wisconsin; in
TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2178 contains 19 papers that explore freeway incidents and secondary crashes; a heuristic ramp-metering coordination strategy; estimating freeway traffic density with loop detector and probe vehicle data; casc
TRB’s Transit Cooperative Research Program (TCRP) Report 160: Paratransit Emergency Preparedness and Operations Handbook includes guidance, strategies, tools, and resources to help paratransit service providers plan and prepare for, respond to, and recover from a range of emergencies. The guidanc
Natural disasters like Hurricane Katrina test the robustness and resiliency of the transportation system and emphasize the need for information to constantly improve the nation’s ability to prepare for, prevent, respond to, and recover from natural disasters, security events, and other emergencie
TRB’s National Cooperative Highway Research Program (NCHRP) Report 525: Surface Transportation Security, Volume 6: Guide for Emergency Transportation Operations supports development of a formal program for the improved management of traffic incidents, natural disasters,
TRB’s National Cooperative Highway Research Program (NCHRP) Web-Only Document 73: Emergency Transportation Operations: Resources Guide for NCHRP Report 525, Volume 6 is a resources guide on emergency transportation operations (ETO) containing bibliographical material tha
TRB’s National Cooperative Highway Research Program (NCHRP) Report 525: Surface Transportation Security and TRB’s Transit Cooperative Research Program (TCRP) Report 86: Public Transportation Security series publications have jointly published Guidelines for Transportation Emergency Training Exerc
Weather Information for Road Managers
Article that explains various types of weather information that assists road managers.
This report contains 27 case studies of systems in 22 states that improve roadway operations under inclement weather conditions. Each case study has six sections including a general description of the system, system components, operational procedures, resulting transportation outcomes, implementa
The guide is intended to provide transit agency staff with an easy-to-use resource for improving pedestrian safety. The guide includes a variety of approaches to address common pedestrian safety issues that are likely to arise near transit stations, bus stops, and other places where transit (bus
On April 28, 2015, the Committee for the Review of the U.S. Department of Transportation (USDOT) Report on Connected Vehicle Initiative Communications Systems Deployment sent a letter to Anthony R. Foxx, Secretary of the USDOT. The committee, as directed by Congress, conducted an independent peer
With funding and support from the USDOT RITA and direction from the FHWA Road Weather Management Program, NCAR is developing a Vehicle Data Translator (VDT) software system that incorporates vehicle-based measurements of the road and surrounding atmosphere with other weather data sources. The p
TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2424 consists of eight papers that address a new snapshot generation protocol for travel-time estimation in a connected vehicle environment, the safety impacts of intervehicle warning information systems for m
TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2424 consists of eight papers that address a new snapshot generation protocol for travel-time estimation in a connected vehicle environment, the safety impacts of intervehicle warning information systems for m
