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Home >Maine Local Roads Center > Design Standards for Local Roads

Design Standards for Local Roads

Any modern public road in Maine should be built to certain minimum standards that consider the traffic volume, type and size of vehicles, presence of pedestrians or bicycles, and overall safety to all road users.

  • For Subdivisions roads:  
    The Southern Maine Regional Planning Commission (SMRPC) developed a set of “Model Subdivision Regulations” in the 90’s and they were updated in 2007.  They are primarily for subdivision design and review and can be found here:
    http://www.smrpc.org/landuse/subord/subord.htm
  • For low volume local roads:
    AASHTO has a manual entitled “Guidelines for Geometric Design of Very Low-Volume Local Roads (ADT ≤ 400), 1st Edition” .  This very handy manual references recommended ranges of values for dimensions such as road widths, horizontal and vertical alignments, sight distances, etc.  The manual can be found here and costs $60, however, the Center has a copy if you ever wanted to review it first or needed specific information:
    https://bookstore.transportation.org/Item_details.aspx?id=157

The Center has also developed a road “cross section” that graphically shows the “desirable minimum dimensions” of a low volume local road.


 

This page last updated on 6/27/13

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