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States Should Consider the Risk of Marijuana-Impaired Driving as New Research Links Legalization to Crash Increase

States Should Consider the Risk of Marijuana-Impaired Driving as New Research Links Legalization to Crash Increase

  • June 22nd, 2017

Statement for attribution to Governors Highway Safety Association (GHSA) Executive Director Jonathan Adkins  WASHINGTON, D.C. – New research from the Highway Data Loss Institute (HLDI) reinforces the need for states to consider the risk of marijuana-impaired driving as they move toward liberalizing marijuana laws. HLDI insurance claims data links legalizing recreational marijuana to an increase in motor […]

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Estimating the Life-Cycle Cost of Intersection Designs

  • June 5th, 2017

TRB’s National Cooperative Highway Research Program (NCHRP ) Web-Only Document 220: Estimating the Life-Cycle Cost of Intersection Designs describes the Life-Cycle Cost Estimation Tool (LCCET). The LCCET spreadsheet allows users to compare alternative intersection designs based on initial construction costs, ongoing maintenance and operations costs, operational efficiencies for a variety of modes, safety effects, and […]

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2015 State Traffic Data Traffic Safety Fact Sheet

  • June 3rd, 2017

NHTSA: In 2015, there were 35,092 fatalities in the United States (50 States and the District of Columbia, excluding (Puerto Rico), an increase of 7 percent from 2014 (32,744). This image shows the 2015 traffic fatalities and the percent change from 2014 for each State, the District of Columbia, and Puerto Rico. Vermont and Oregon […]

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Connected and Automated Vehicles: NCHRP Support for Transportation Agency Leaders

  • May 30th, 2017

TRB’s National Cooperative Highway Research Program (NCHRP) has released a brochure that summarizes its research in the field of connected and automated vehicle. This resource explores how TRB is coordinating research to explore the legal, societal, operational, and other impacts that connected and automated vehicle technology may have on transportation agencies and the traveling public. […]

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Traffic Safety Facts: Motorcycle Helmet Use in 2016

  • May 24th, 2017

Use of DOT-compliant motorcycle helmets was at 65.3 percent in 2016, not statistically different at the 0.05 level from 60.7 percent in 2015. This result is from the National Occupant Protection Use Survey (NOPUS), the only survey that provides nationwide probability-based observed data on motorcycle helmet use in the United States. The NOPUS is conducted […]

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Safety Benefits of Highway Infrastructure Investments

  • May 20th, 2017

The purpose of this study was to estimate the reduction in serious injuries and deaths that could potentially be achieved through investment in highway infrastructure safety measures and to estimate the level of investment required to achieve those benefits. The United States faces a major challenge in improving the traffic safety performance of our road […]

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Impaired Driving Strategic Plan 2018-2020

  • May 11th, 2017

The plan is organized according to the recommendations of NHTSA Uniform Guidelines for State Highway Safety Programs (No. 8, November 2006), and thus has the major topics of Alabama’s Impaired Driving (ID) Challenge Program Management Prevention Criminal Justice Approaches Communication Program Alcohol and other Drugs Misuse, Screen, Assessment, Treatment, and Rehabilitation Program Evaluation and Data […]

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