Multistate Highway Transportation Agreement

This agreement encourages uniformity in allowable vehicle size and loads, as long as such uniformity is compatible with safe operation of vehicles on member highway systems and does not have an adverse impact on highway maintenance programs. Participation is open to all jurisdictions.
Category: Motor Vehicles

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Member States

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State Citation Year Of Joinder
Arizona A.R.S. Sec. 28-1821 et seq. 1982
Colorado C.R.S. Secs. 24-60-2501, 24-60-2502 1985
Idaho I.C. Secs. 49-1901 to 49-1904 1975
Montana MCA 61-10-1101 1981
Nevada NRS 481A.010, 481A.020 1975
New Mexico NMSA 1978 Secs. 11-14-1 to 11-14-6 1997
Oregon ORS 802.560 1983
Utah U.C.A. 1953, 41-23-1, 41-23-2 1981
Washington RCW 47.74.010, 47.74.020 1983
Wyoming W.S. Secs. 31-18-901, 31-18-903 1981