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WY-Wyoming

State Police : (307) 777-4321

OD Permits : (307) 777-4376

Road Conditions :  Live Map

2017  Sunrise/ Sunset  chart

Registration maximum weight (cab card) : 117000

Operating time :One-half hour before sunrise to one-half hour after sunset, including weekends, plus loads not exceeding 10' wide, and all other dimensions are legal, may travel at night on Interstate highways only with proper lighting.

Holiday travel is usually allowed for loads not requiring escorts, but Ports of Entry are not open, so check with the Port on pre-ordering permit if you wish to run on the holiday.

Weights :Single – 25,000, Tandem – 55,000, Tri Axle – 65,000 Register for up to 117,000 pounds to permit for that much or more. Loads in excess of these weights are considered as super-loads and must go through the Central Office.

Size : Width: 18', Height: 17',  Length: 110'. Loads in excess of these dimensions are considered as super-loads and must go through the Central Office.

SEASONAL LOAD RESTRICTIONS: No specific annual restrictions, but they may be imposed as necessary during spring thaw.

Escorts :On Interstate Highways: Width: 15’ – 1 escort (Additional escorts may be required by the Highway Patrol for extreme widths.)

On 2-Lane Highways: Width: Over 13'11" or if load extends past center lane at any time – 2 escorts All Highways: Height: 17’6”- 1 escort with height pole Length: Over 110' – 2 escorts.

Signs : All oversize loads/vehicles must display Oversize Load on both front and rear. Flags are to be placed on projections extending beyond sides of trailer. Over 4' of rear overhang must be flagged (daytime) or lighted at night. Night running, if allowed, requires an amber clearance light on each front corner and red clearance light on each rear corner of the load and a revolving amber light, amber strobe, or two-way flashing amber lights at least 4" in diameter mounted on the vehicle visible to both front and rear.

General :Permits are obtained from Ports of Entry by the driver (see phone list at bottom of this page). Driver must call ahead to the Port/Scale at least one hour prior to arrival and obtain a clearance number. Failure to do this will result in up to a $500 fine and 24-hour shutdown. The permit is usually valid for one day or one trip. 

WYOMING PORTS OF ENTRY – AREA CODE (307)

Alpine – US26 (W) 654-7569,   Laramie – US287 (SE)* 745-2200,   Baggs – US789 (S) 383-2000 (intermittently manned),   Lusk – US18/20 (E) 334-3814,   Casper – I25 (Center) 473-3280,   New Castle – US16 (E) 746-4335,   Cheyenne – I25 (SE)* 777-4896,   Rawlins – (S Central) 328-4100,   Cheyenne – I80 (SE)* 777-4894 or 637-5219,   Riverton – (Central) 856-1341,   Cheyenne – US85 (SE) 777-4895,   Rock Springs – (US191) 352-3100 (7:00AM – 4:00PM),   Evanston – I80 (SW)* 789-3538,   Sheridan – I90 (N)* 674-2350,   Frannie – US310 (NW) 664-2389,   Sundance – I90 (E)* 283-1616,   Gillette – I90 (NE) 682-4030,   Torrington – US26 (SE) 532-2519 ,  Kemmerer – US30 (SW)* 877-4229 * Open 24 Hours