Over the years funding for maintenance, rehabilitation, restoration, and resurfacing activities has not kept pace with the needs of highway agencies. ...
This study investigates the intersection of socio-economic status (SES), race/ethnicity, and the likelihood of fatal bicycle and pedestrian collisions...
This report is the response to the North Dakota Legislature's request for a study of the transportation infrastructure needs of all counties, township...
In the US, speed limit setting (SLS) has historically relied on driver-behavior-based approaches, such as using the 85th percentile speed. While these...
The objectives of this project are to determine the long-term capability of steel chips and steel slag to remove E. Coli from stormwater and provide r...
Retroreflective sheeting materials (RRSM) are used for various applications in engineering, but primarily for traffic signs and pavement markings. The...
The concept of compensating toll operators if tolls are suspended to encourage users of a parallel or nearby route to move to the toll facility during...
United States. Department of Transportation. National Highway Traffic Safety Administration. National Center for Statistics and Analysis
2024-07-01
Abstract:
Twenty-eight percent of fatal crashes, 12 percent of injury crashes, and 8 percent of property-damage-only crashes in 2022 were speeding-related traff...
This report summarizes the Transit Management Survey findings of the 2023 Intelligent Transportation Systems (ITS) Deployment Tracking Survey. From 19...
This report summarizes the Arterial Management Survey findings of the 2023 Intelligent Transportation Systems (ITS) Deployment Tracking Survey. From 1...
This report summarizes the Freeway Management Survey findings of the 2023 Intelligent Transportation Systems (ITS) Deployment Tracking Survey. From 19...
Escherichia coli (E. coli) is often used as an indicator organism to quantify the microbial safety of natural water resources. E. coli in stormwater r...
Posted speed limits on Texas roadways have increased in recent years. Texas now has many miles of roadways posted at speeds of 75 mph and above. Barri...
Longitudinal barriers (e.g., guardrails, median barriers, and bridge rails) are currently tested and evaluated at a design impact speed of 62 mph. Pos...
Evaluating the numerous types of traffic control devices (TCDs) newly available and installed across Texas roadways is a key for the Texas Department ...
This study documents a baseline of casual and contributing factors to flight deck task management deficiencies and vulnerabilities in flightpath monit...
The objective of this project was to develop a hydraulically efficient portable concrete barrier (PCB) that complies with the American Association of ...
The research team derived local calibration factors for models for urban freeway segments with 4–10 lanes and assessed the applicability of the 10-l...
A retrofit design was developed and evaluated to improve safety for motorcyclists impacting guard fence systems. Finite element computer simulations w...
Motorcyclists are among the most vulnerable users of the roadway system. The appropriate design of roadside safety systems plays an important role in ...
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