Tennessee/Speed Limits

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Statewide Speed Limits

According to Tennessee Code Annotated 55-8-152, the following maximum speed limits apply in Tennessee, with individual counties and municipalities setting lower speeds on individual roads as needed:

  • Interstates and limited access freeways (urban and rural): 70 MPH
  • Divided highways: 65 MPH
  • Undivided and two-lane roads: 55 MPH
  • Residential streets: 30 MPH

Note that speed limits along a particular stretch of road may be lower than these limits, but will never be higher.

Resources by County or Municipality

In cases where the following data sources are used to set speed limits, it MUST be confirmed either with the street view reticle in WME or reports from "on the ground" that no speed limit is posted on the road segment. If in doubt, do not set or verify the speed.

Blount County

  • County GIS map contains an incomplete database of speed limit sign locations here.

Bradley County

  • 30 MPH unless posted: [1]

Hamblen County

  • City of Morristown: 30 MPH unless signed: [2]

Hamilton County

  • See this pdf file

- Chattanooga

  • Unsigned residential streets have a max speed limit of 25 MPH (source)
  • Unsigned streets in business/ commercial districts are max 30 MPH (source)

Knox County

Unless otherwise signed, the following limits apply within Knoxville: (source)

  • Fifteen (15) miles per hour in alleys.
  • Thirty (30) miles per hour on all streets within the city except....
  • Fifty-five (55) miles per hour on all highways of the national system of interstate and defense highways and other highways which incorporate similar design and access control features.

Outside of city limits, 30 MPH unless signed: [3]

Loudon County

  • Lenoir city: 30 MPH unless posted: [4]
  • Loudon: 30 MPH unless posted: [5]

Roane County

  • Harriman: 30 MPH unless posted [6]
  • Rockwood: 30 MPH unless posted: [7]

Sevier County

  • Wants to charge us $500 for speed limit data. Contact Stacey Whaley 865-429-3050

  • Gatlinburg: 25 MPH unless posted: [8]
  • Sevierville: 30 MPH unless posted: [9]