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Minuteman Trucks Blog

boston.gov l 2017


As the first of its kind in the nation, the Truck Side Guard ordinance championed by Mayor Walsh applies to motor vehicles weighing over 10,000 lbs. and semi-trailers with a total weight exceeding 26,000 lbs. The ordinance requires City agencies to contract only with vendors that have properly installed the following: side guards, convex mirrors, cross-over mirrors, and blind-spot awareness decals. These features are intended to reduce the risk of unprotected road users from falling under the sides of vehicles and getting caught under the rear wheels. The ordinance does not apply to several types of large vehicles, such as agricultural trailers, fire engines, and trucks used exclusively for snow removal.

Costs, application

Studies by the U.S. Dept. of Transportation have determined the cost of side-guards to be an average of $847. *They are typically installed as a bolt-on addition and can be fixed or hinged *In the City of Boston pilot, each truck was outfitted for $1,200.


  • Device must not increase the width of the vehicle.
  • Device is rigid and securely mounted.


  • Objects can be seen down the full length of the vehicle.
  • Objects can be seen 3’ above the ground.


  • Objects can be seen 3’ above the ground, from the bumper to where direct vision is possible.


  • “Safety yellow” in color or bright.
  • Minimum of 3 located in vehicle blind spots on side and the rear.

Vehicles designed in a manner that protects against lateral accidents, by virtue of their shape and characteristics, may satisfy the above requirements.

Dimension Requirements for Side Guards

  • Lowest edge of is maximum 21.5” above the ground.
  • Upper edge is maximum 14” below structure of vehicle.
  • Not over 5” inboard of maximum width of vehicle.
  • Not over 12” from outer part of front and rear tire.




2181 Providence Hwy
Walpole, MA 02081


545C Hartford Tpk
Shrewsbury, MA 01545
(508) 734-6061


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