Fact #411: February 13, 2006 States that Allow Longer Combination Vehicles

Longer Combination Vehicles (LCV) allow trucks to haul more in a single load. There are three common types: Rocky Mountain Doubles (RMD), Turnpike Doubles (TPD), and Triple Trailers (TT). These longer combination vehicles are primarily allowed in Western States but are also permitted on some turnpikes.

U.S. map showing states where longer combination vehicles are allowed.

Supporting Information

States Permitting Longer Combination Vehicles (LCVs)
State	Types of LCVs permitted by the State	Types of LCVs permitted by the Turnpike Authority
Alabama	None
Alaska	Turnpike doubles & Rocky Mountain doubles
Arizona	None
Arkansas	None
California	None
Colorado	ALL LCV types
Connecticut	None
Delaware	None
District of Columbia	None
Florida		Turnpike doubles & Rocky Mountain doubles
Georgia	None
Hawaii	None
Idaho	ALL LCV types
Illinois	None
Indiana		ALL LCV types
Iowa	None
Kansas		ALL LCV types
Kentucky	None
Louisiana	None
Maine	None
Maryland	None
Massachusetts		Turnpike doubles & Rocky Mountain doubles
Michigan	None
Minnesota	None
Mississippi	None
Missouri	None
Montana	ALL LCV types
Nebraska	ALL LCV types
Nevada	ALL LCV types
New Hampshire	None
New Jersey	None
New Mexico	None
New York		Turnpike doubles & Rocky Mountain doubles
North Carolina	None
North Dakota	ALL LCV types
Ohio		ALL LCV types
Oklahoma	ALL LCV types
Oregon	Triple Trailers & Rocky Mountain doubles
Pennsylvania	None
Rhode Island	None
South Carolina	None
South Dakota	ALL LCV types
Tennessee	None
Texas	None
Utah	ALL LCV types
Vermont	None
Virginia	None
Washington	Rocky Mountain doubles
West Virginia	None
Wisconsin	None
Wyoming	Rocky Mountain doubles

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