Archive for June 27th, 2009

The Need to Speed? Know Your Limits!

June 27, 2009

This table lists the speed limits for various types of roads in the 50 US states and the District of Columbia.

  • Limited access highways are multiple-lane roads with restricted access using exit and entrance ramps rather than intersections.
  • Interstate highways are part of the national system of limited access highways that connect the nation’s principal metropolitan areas and industrial centers.
    • The interstate system is divided into urban and rural sections. The distinction between urban and rural areas is based on population density figures from the US Census Bureau and adjusted by state and local government to reflect planning and other issues.
    • Urban sections are within a census area with an urban population of 5,000 to 49,999 or within a designated urbanized area with a population of 50,000 or greater.
  • Speed limits for commercial use trucks, if different, are listed separately.

Congress repealed the National Maximum Speed Limit in 1995. As of today, 33 states have raised speed limits to 70 mph or higher on some portion of their roadway systems.

Source: Insurance Institute for Highway Safety

Check out this interactive map!


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