Attachment 0007_Oversize Vehicles Request.pdf

Gross vehicle weight* may exceed 80,000 lbs. only if it is in accordance with Montana and Wyoming State requirements pertain to number of axles and bridge length (distance between the extremes of any group of two or more consecutive axles) and weight does not exceed Federal Highway Load Factor Limits for specific park bridges. Cranes over 100 ton capacity frequently exceed the bridge load criteria. A sketch showing the crane size and axel loading must be submitted in writing for approval at least two weeks BEFORE the equipment is transported to the park.

*Gross weight is defined as the total weight of a vehicle and vehicle combinations including the weight of any load carried in or on a vehicle or vehicle combination.

OVERSIZE RESTRICTIONS

1. Permits are required for vehicles and loads that exceed the above statutory limits.

2. Due to peak visitation from Friday before Memorial Day through September 15th, travel for any vehicles exceeding the statutory limits is restricted to night- 9:00 p.m. to 9:00 a.m. If an oversize load requires temporary road closures, the National Park Service will determine the time that travel is permitted.

3. All oversize loads or cargoes or portions thereof will be adequately lashed or secured to the bed of the vehicle.

4. Oversize movements must display yellow warning signs that read “OVERSIZE LOAD” visible from the front and rear. The signs must be at least 60 inches wide by 10 inches high, and the lettering must be black, 8 inches high, with 1-inch lettering. The signs shall be kept in a clean condition, fully visible, and shall not cover lights on the vehicle.

5. Escort vehicles must display yellow warning signs, visible to approaching traffic that reads “OVERSIZE LOAD”. The signs must be at least 60 inches wide by 10 inches high, and the lettering must be black, 8 inches high, with 1-inch lettering. The signs shall be kept in a clean condition, fully visible, and shall not cover lights on the vehicle.

6. All headlights, tail lights, and running lights of all escort and oversize movements will be on at all times while vehicle is on roadway.

7. Projections extending more than 12 inches beyond the body of the vehicle or load must be marked with a clean, bright red flag at least 12 inches square.

8. Maximum speed of any oversize vehicle or vehicles shall be 35 mph.

9. Oversize and escort vehicles will use roadside turnouts and parking areas whenever possible to permit passage of vehicles and to maintain a free flow of traffic.

10. Any equipment breakdowns or stoppages involving partial or complete blocking of roadway will necessitate flaggers and adequate markers on each side of the convoy unit to allow safe passage of other traffic.

The above special requirements shall not apply to snow removal equipment or to the transportation of petroleum or asphalt products required to repair or maintain roads within Yellowstone National Park. These vehicles will adhere to traffic control regulations specified in NPS-50.

Section B: Guidelines for transporting/hauling loose aggregate material.

1. Between July 5 and Sept 9 trucks hauling fill/gravel type material may enter the park between 5AM and 9AM (trucks may enter until 9AM), and again between 2PM and 10PM (to avoid later evening noise, trucks must be out of the park by 10PM).

2. Hauling before July 5 or after Sept 9 will be allowed, depending on road conditions, from 5AM to 10PM (all trucks must be out of the park by 10PM).

FLH BRIDGE OVERSIZED/OVERWEIGHT PERMIT LOAD REQUEST

APPLICATION DATE:

APPLICANTS NAME:

COMPANY NAME:

USDOT#:

PHONE NUMBER:

EMAIL ADDRESS:

DESCRIPTION OF LOAD:

DESCRIPTION OF ROUTE:

DATE OF MOVEMENT:

PERMIT VEHICLE CONFIGURATION

WIDTH: HEIGHT: LENGTH:

GROSS WEIGHT:

(COMPLETE VEHICLE CONFIGURATION SKETCH ON NEXT PAGE)

APPLICANTS SIGNATURE: DATE:

(AGENCY USE ONLY)

REVIEWED BY: DATE:

DENIED APPROVED

PERMIT CONDITIONS:

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