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How Trailer Towing Regulations Work

        Auto | Trailer Towing

2008 State Towing Laws Min-N
­ ­ ­ ­
­
Minnesota
Mississippi
Missouri
Montana
Height (ft)
­13.5
13.5
14 1
14
Width (ft)
8.5
8.5
8.5 1
8.5 2

Trailer Length (ft)
­45
­40
NS
NS
Motorhome Length (ft)
45
45
45
55
Two-Vehicle Combined Length (ft)
60
53
65
65
Triple Towing Allowed
  • 3

  • 1,4

Safety Chain


  • 5

Breakaway Switch
  • 6



Weight Brakes Required




Towing Speed Limit (mph)
70
55
70
75

Note: While every attempt has been made to verify this information,
HowStuffWorks cannot guarantee its accuracy, and assumes no
responsibility for errors or omissions. Changes may have been made
since this data was compiled in September 2007. Call state and provincial
tourism offices for additional details.

  • indicates “yes,” item is permitted or required.
    “NS“ indicates not specified.
    1 Some exceptions or restrictions.
    2 Special wide-body regulations.
    3 Maximum combined length 60 ft. on selected
    highways.
    4 Total maximum combined length of 65 ft
    5 Required on bumper hitches only.
    6 Required on trailers over 6000 lbs.

 

 





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