Highway Department

Private Street Signs

Private Street and Private Lanes Signs Standards

The following is a list of standards for private street signs:

  • Sign is to be 8” in height with a background color of brown.

  • Roadway name lettering shall be series C or D, mixed lettering

  • First letter shall be uppercase, 6” in height, followed by 4 ½” lowercase, white in color.

  • Background and lettering shall be retro reflective.

  • Length of the sign is to be determined by street name.

  • Corners of the sign shall be rounded.

  • Sign is to be made out of 0.8 mm gauge aluminum.

  • Sign to be installed on right side of street and perpendicular to the street they are intersecting.

  • Sign is to be installed on breakaway post.  Post can be type A or B u-channel post; Maximum 2 1/2” round post with 12 gauge wall thickness; Maximum 2 ¼” square post with 12 gauge wall thickness; or 4x4 wood post.  

  • Posts shall be imbedded in the ground a minimum of 42 inches.

  • Sign shall be installed at a height of 5 ½ to 7 feet (measured from edge of pavement to bottom of sign).  If street name sign is installed in conjunction with a stop sign, the bottom of the stop sign shall be installed at a height of 5 foot.

  • The lateral offset from both edges of pavement shall be a minimum of 6 feet. A 12-foot offset is recommended.

  • It is the developers or owner’s responsibility to ensure that a private street or private lane sign is installed at all times.

  • No “homemade” street signs will be allowed.

Information was taken from the 2009 Manual of Uniform Traffic Control Devices (section2D.43) and Indiana Department of Transportation Standards.


Kleem, Traffic Control Products
West Chester, Ohio 45069                         

Stello Products
Spencer, IN 47460

Hall Signs
Bloomington, Indiana 47404

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Highway Department
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Aurora, IN 47001
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