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PennDOT Raises Vehicle Restriction Another Tier on Interstate 99


Due to the severity of the winter storm, PennDOT is temporarily increasing the vehicle restriction that is currently in place from Tier 3 to Tier 4 on Interstate 99 in the Laurel Highlands region of Pennsylvania.

Vehicle restrictions reflect Tier 4 of the commonwealth's weather event vehicle restriction plan, and are in effect on the following roadways:

  • Interstate 99 in Bedford and Blair Counties

On roadways with Tier 4 restrictions in place, no commercial vehicles are permittedAdditionally, all school buses, commercial buses, motor coaches, motorcycles, RVs/motorhomes and passenger vehicles (cars, SUVs, pickup trucks, etc.) towing trailers are not permitted on affected roadways while restrictions are in place. 

Speed limits will continue to be restricted to 45 mph on the following highways:

  • Interstate 70 in Bedford and Fulton Counties
  • Interstate 99 in Bedford and Blair Counties
  • U.S. Route 22, 4-lane in Blair and Cambria Counties
  • Route 219, 4-lane in Cambria and Somerset Counties

On roadways with speed restrictions, commercial vehicles not affected by restrictions on these or other roadways must move to the right lane.

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 the website.

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.

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

Follow local PennDOT news on Twitter and like the department on Facebook and Instagram

MEDIA CONTACT: Monica R. Jones, 814-932-2021

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