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Vehicle and Speed Restrictions in Place on Interstate 80

​Due to the severity of the winter storm and the potential for icy road conditions, the Pennsylvania Department of Transportation (PennDOT) is temporarily restricting speeds and certain vehicles on Interstate 80 in Mercer and Venango counties starting at the Interstate 79 interchange. 

Vehicle restrictions reflect Level 1 of the commonwealth’s weather event vehicle restriction plan, which is place from I-79 to I-99. Additional restrictions are in place on other interstates throughout the state.

Under Level 1 restrictions, the following vehicles are not permitted on affected roadways:

Tractors without trailers;

Tractors towing unloaded or lightly loaded enclosed trailers, open trailers or tank trailers;

Tractors towing unloaded or lightly loaded tandem trailers;

Enclosed cargo delivery trucks that meet the definition of a CMV;

Passenger vehicles (cars, SUV’s, pickup trucks, etc.) towing trailers;

Recreational vehicles/motorhomes;

School buses, commercial buses and motor coaches; and


Speed limits will be restricted to 45 mph on these roadways for all vehicles while the vehicle restrictions are in place, and commercial vehicles not affected by the restrictions must move to the right lane. Additional speed restrictions on other interstates could be added depending on changing conditions.

The purpose of the restriction is to help ensure the interstates remain open during the most challenging conditions of the winter storm. When conditions improve, PennDOT will remove the travel restrictions. 

Restrictions will be communicated via variable message boards, the 511PA traveler information website at and smartphone apps. Motorists can also sign up for alerts on by clicking on “Personal Alerts” in the left-hand menu.

Although PennDOT crews are treating roadways, the department’s primary goal is to keep roads passable, not completely free of ice and snow. PennDOT will continue to treat roadways throughout the storm until precipitation stops and roads are clear.

While PennDOT recommends not traveling during winter storms, motorists can check conditions on more than 40,000 roadway miles, including color-coded winter conditions on 2,900 miles, by visiting 511PA, which is free and available 24 hours a day, provides traffic delay warnings, weather forecasts, traffic speed information and access to more than 1,000 traffic cameras. 

511PA is also available through a smartphone application for iPhone and Android devices, by calling 5-1-1, or by following regional Twitter alerts accessible on the 511PA website.

For more winter driving tips and information on how PennDOT treats winter storms, visit  

Follow PennDOT’s northwest region on Twitter at or Facebook at 

MEDIA CONTACT: Jill Harry, 814-678-5035

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