Category: Analysis & Data

  • December 3rd, 2018

In the previous five reports in this series, I examined recent changes in the number of registered light-duty vehicles (cars, SUVs, pickups, and vans), and the corresponding changes in distance driven and fuel consumed. The units of the analyses were both the absolute numbers and the rates per person, per driver, per household, and (where […]

  • August 20th, 2018

The overall objectives of this study were to: Identify and explore alternative safety data sources and analysis perspectives Demonstrate the potential utility of these alternative approaches in increasing understanding of precipitating events and predisposing factors for crashes occurring on horizontal curves and at unsignalized intersections along rural two-lane roads.

  • August 1st, 2018

Traffic Volume Trends is a monthly report based on hourly traffic count data reported by the States. These data are collected at approximately 4,000 continuous traffic counting locations nationwide and are used to estimate the percent change in traffic for the current month compared with the same month in the previous year. Estimates are re-adjusted […]

  • July 3rd, 2018

We love to celebrate the 4th of July with family, friends, food, and fireworks, but all too often the festivities turn tragic on the nation’s roads. The fact is, this iconic American holiday is also one of the deadliest holidays of the year due to drunk-driving crashes. Over the 4th of July holiday period in […]

  • June 27th, 2018

Major findings: Primary Contributing Circumstance: Following Too Close is by far the greatest primary contributing factor in the AD involved subset of crashes, followed by Improper Lane Change/Use, Driving too fast for Conditions, and Ran Traffic Signal. When Over Speed Limit is combined with Driving Too Fast for Conditions, these combined speed related items become […]

  • June 4th, 2018

The Department of Public Safety has released their drivers’ license age ranges report for 2017. This report gives the number of drivers by age and race. This report can be used in many different ways, one example being if someone wants to compare crashes by age, this report gives how many drivers are in each […]