A measure of road traffic flow found by multiplying the number of vehicles on a road or network by the average length of their trips. It is used both to size infrastructure demand and, divided into fatality counts, to compare road safety across places and over time independent of population growth.
Facts
Core ConcernTotal distance driven on a road network, used to size demand and normalize safety statistics 1 FAQs
How is vehicle miles traveled used to measure road safety?
By dividing fatality counts by vehicle miles traveled, which lets safety be compared across places and over time independent of population growth.
Vehicle miles traveled is a measure of road traffic flow found by multiplying the number of vehicles on a road or network by the average length of their trips. It is used both to size infrastructure demand and, divided into fatality counts, to compare road safety across places and over time independent of population growth.
Sources
1. Wikipedia: Vehicle Miles Traveled
WikipediaFatalities by VMTQuote, Fatalities by VMT
Fatalities by VMT (vehicle miles traveled) is a unit for assessing road traffic fatalities. This metric is computed by dividing the fatalities by the estimated VMT.
Units of measurement in transportation (Wikipedia)
In Group: Road Traffic Measures, Lead sentenceQuote, In Group: Road Traffic Measures, Lead sentence
The units of measurement in transportation describes the unit of measurement used to express various transportation quantities, as used in statistics, planning, and their related applications.
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