Pennsylvania State Regulations
Transportation Restrictions
Movement will be restricted during unfavorable weather or road conditions (snow, ice, driving rain, fog) or other atmospheric conditions which restrict visibility to less than 1,000′ or winds sufficient to cause the wheels of the semi to deflect more than 6″.
The following holidays are restricted: New Year’s Day, Memorial Day, Independence Day, Labor Day, Thanksgiving, and Christmas.
Except during holidays, permitted loads are allowed in urbanized areas only during:
- The hours of 3:00 AM and 7:30 AM
- The hours of 9:00 AM and 4:00 PM
- The hours of 7:00 PM and sunset
In the areas through Fort Pitt, Squirrel Hill, or Liberty Tunnels in Allegheny County travel on permitted during the hours of 9:00 AM and 4:00 PM.
Weekend Travel
Travel is permitted from sunrise to sunset on the weekends.
Transportation Requirements
Provision Regulations
Superloads
Sunrise to Sunset
Flags/Lights
“Oversize Load” signs are required for any oversize load.
Blades
Dozers with blades that exceed 12′ in width, but no wider than 15′, may be hauled if a traffic
protector guide rail device is securely fastened to the dozer. A detached bucket or blade cannot
be hauled on an overweight load.
Legal Limits
| Component | Restriction |
|---|---|
| Single Axle | 20,000 lbs. |
| Tandem Group | 36,000 lbs. |
| Tridem Group | 42,000 lbs. |
| Gross Weight | 80,000 lbs. |
| Width | 8’6″ |
| Height | 13’6″ |
| Length – Semi-Trailers | 53′ |
| Length | 70′ |
| Overhang | 3’ Front | 6’ Rear |
Routine Issues
| Component | Restriction |
|---|---|
| Single Axle | 27,000 lbs. |
| Tandem Group | 52,000 lbs. |
| Tridem Group | 63,000 lbs. |
| Quad Group | 72,000 lbs. |
| Gross Weight | 201,000 lbs. |
| Width | 16′ |
| Length | 160′ |
Escort Requirements
| Dimension | Requirement |
|---|---|
| Width Over 13’ | 1 |
| Height Over 14’6” | 1 Front W/ Height Pole |
| Length Over 90’ | 1 |
| Overhang Over 15’ | 1 |
| 3:00 AM to Sunrise in Urbanized Areas | 1 Front & 1 Rear on 2-Lane Highways & 4-Lane Highways |
Additional escort may be required when crossing bridges due to size and/or weight.