Volpe National Transportation Systems Center, Technical Reference Center

Further Validation of Safety Culture Measurement Tool for Improving Safety in Commuter Rail Operations

Published:

2018-10-01

Abstract:

Building upon the development of a measure of safety culture based on a simplified two-factor model of meaning and behavior, a further validation study of the safety culture instrument was undertaken. The Safety Culture Assessment Survey (SCAS) was a...

File Type:

[PDF - 1.52 MB]

Added:

11/04/2019

Survey and Economic Analysis of Pavement Impacts from Studded Tire Use in Alaska

Published:

2019-05-01

Abstract:

In cold regions, such as Alaska, using studded tires is common among the public when driving in icy and snowy conditions. However,studded tires cause extensive wear to asphalt pavement, reducing pavement life. Almost 22 years have passed since the Al...

File Type:

[PDF - 2.97 MB]

Added:

11/04/2019

Secondary Collisions and Injury Severity: A Joint Analysis Using Structural Equation Models

Published:

2018-02-01

Abstract:

This study aims to investigate the contributing factors to secondary collisions and the effects of secondary collisions on injury severity levels. Manhattan, which is the most densely populated urban area of New York City, is used as a case study.

File Type:

[PDF - 538.85 KB]

Added:

11/04/2019

Evacuation Zone Modeling under Climate Change: A Data-Driven Method

Published:

2017-12-01

Abstract:

Predetermined evacuation zones can be used to estimate the demand of evacuees, which is helpful in assessing the resilience of transportation systems in the presence of natural disasters. Evacuation zones defined based on current road networks and en...

File Type:

[PDF - 831.17 KB]

Added:

11/04/2019

A Multivariate Spatial Approach to Model Crash Counts by Injury Severity

Published:

2019-01-01

Abstract:

Conventional safety models rely on the assumption of independence of crash data, which is frequently violated. This study develops a novel multivariate conditional autoregressive (MVCAR) model to account for the spatial autocorrelation of neighboring...

File Type:

[PDF - 844.44 KB]

Added:

11/04/2019

Analysis of Traffic Crashes Involving Pedestrians Using Big Data: Investigation of Contributing Factors and Identification of Hotspots

Published:

2017-03-17

Abstract:

This article reports on a study undertaken to explore the use of big data in pedestrian risk analysis, specifically strategies to investigate contributing factors and hotspots (areas with high incidence of crashes). The authors analyzed large amounts...

File Type:

[PDF - 864.38 KB]

Added:

11/04/2019

Modeling the Salt Usage During Snow Storms: An Application of Hierarchical Linear Models with Varying Dispersion

Published:

2017-01-01

Abstract:

Snow can cause dangerous driving conditions by reducing pavement friction and covering road surface markings. Salt is widely used by highway maintenance managers in the United States to reduce the impact of snow or ice on traffic. For the development...

File Type:

[PDF - 1.20 MB]

Added:

11/04/2019

Implementation and Evaluation of a Buried Cable Roadside Animal Detection System and Deer Warning Sign

Published:

2019-05-01

Abstract:

Animal-vehicle collisions (AVC), and deer-vehicle collisions (DVC) in particular, are a major safety problem on Virginia roads. Mitigation measures such as improved fencing and location-specific driver alerts are being implemented and evaluated in Vi...

File Type:

[PDF - 1.76 MB]

Added:

11/04/2019

Computational Enhancements for the Virginia Department of Transportation’s Regional River Severe Storm Model: Phase II

Published:

2019-05-01

Abstract:

Climate change is projected to increase the risk of flooding, which can cause severe damage and threaten lives. This increased risk makes it even more important to accurately forecast potential flooding impacts. The report details efforts by the Univ...

File Type:

[PDF - 4.20 MB]

Added:

11/04/2019

Evaluation of FC-5 with PG 76-22 HP to Reduce Raveling [Brief]

Published:

2019-06-01

Abstract:

Road resurfacing involves removing the road’s worn and possibly damaged top layer and replacing it with fresh asphalt. This top layer is the friction course, and its composition has important effects on roadway performance. An open-graded friction ...

File Type:

[PDF - 102.44 KB]

Added:

11/04/2019

PERCEPT Indoor Navigation System for Visually Impaired: Beta Study

Published:

2019-09-01

Abstract:

Independent navigation through unfamiliar indoor spaces is beset with barriers for blind and visually impaired (BVI) individuals. A task that is spontaneous for people without disabilities has to be planned and coordinated with other individuals for ...

File Type:

[PDF - 19.48 MB]

Added:

11/04/2019

Evaluation of FC-5 with PG 76-22 HP to Reduce Raveling

Published:

2019-05-01

Abstract:

The objectives of this project were to assess the mechanical performance and durability of open-graded friction course FC-5 mixtures fabricated with a highly polymer-modified (HP) binder (that complied with the requirements of FDOT specifications, Se...

File Type:

[PDF - 5.23 MB]

Added:

11/04/2019

Strategic Highway Safety Plans – A Champion’s Guidebook to Saving Lives, Second Edition

Published:

2013-03-01

Abstract:

This document reviews the basic principles and important considerations concerning the development, implementation, and evaluation of a Strategic Highway Safety Plan (SHSP). It is intended as a resource for States to consult during examination of the...

File Type:

[PDF - 1.85 MB]

Added:

10/29/2019

Development of a Structure for a MIRE Management Information System

Published:

2013-01-01

Abstract:

Safety data are the key to making sound decisions on the design and operation of roadways. Integrating quality roadway and traffic data with crash data helps agencies make better decisions and more effective use of limited funds to improve safety. Th...

File Type:

[PDF - 1.97 MB]

Added:

10/29/2019

Guidelines for the Use of Variable Speed Limit Systems in Wet Weather

Published:

2012-08-24

Abstract:

This report provides guidance on the use of variable speed limit (VSL) systems in wet weather at locations where the operating speed exceeds the design speed and the stopping distance exceeds the available sight distance. The use of VSLs during incle...

File Type:

[PDF - 2.08 MB]

Added:

10/29/2019

Bicycle Road Safety Audit Guidelines and Prompt Lists

Published:

2012-05-01

Abstract:

Road Safety Audits (RSAs) are a formal safety examination of an existing or future roadway or off-road facility and are conducted by an independent, experienced, multidisciplinary team. The purpose of the Bicycle Road Safety Audit Guidelines and Prom...

File Type:

[PDF - 25.61 MB]

Added:

10/29/2019

Speed Management Action Plan Template: Problem Identification, Solutions, Implementation, Evaluation

Published:

2015-01-01

Abstract:

This Model Plan template is part of the Jurisdiction Speed Management Action Plan Development Package. This template was developed to provide a framework for State and local agencies to use in developing speed management safety action plans. The plan...

File Type:

[PDF - 1.06 MB]

Added:

10/29/2019

Safe Roads for a Safer Future – A Joint Safety Strategic Plan

Published:

2012-01-01

Abstract:

The Federal Highway Administration (FHWA) Office of Safety, Office of Safety Research and Development, and Resource Center Safety and Design Technical Services Team have come together to develop this Safe Roads for a Safer Future – A Joint Safety S...

File Type:

[PDF - 1.94 MB]

Added:

10/29/2019

Highway Safety Improvement Program Self Assessment Tool

Published:

2011-08-01

Abstract:

Title 23 U.S.C. 148 establishes the Highway Safety Improvement Program (HSIP) to achieve a significant reduction in traffic fatalities and serious injuries on all public roads. To obligate funds under the HSIP, States are required to: (1) develop and...

File Type:

[PDF - 195.17 KB]

Added:

10/29/2019

Roadway Safety Information Analysis: A Manual for Local Rural Road Owners

Published:

2011-01-01

Abstract:

According to the Federal Highway Administration, over 6 million lane-miles are in rural areas, and more than two-thirds of these rural roads are owned and operated by local entities. In 2008, 56 percent of highway fatalities occurred in rural areas. ...

File Type:

[PDF - 1.26 MB]

Added:

10/29/2019

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