Updated: 6:08 AM EST Feb 18, 2021 In response to Thursday s winter weather, the Pennsylvania Department of Transportation (PennDOT) and the Pennsylvania Turnpike Commission are planning to implement travel restrictions on trucks and other vehicles on certain roadways.Additional speed and vehicle restrictions on these and other interstates could be added depending on changing conditions.Effective at 1 a.m. Thursday, vehicle restrictions are planned for the following roadways at Tier 1 of the commonwealth’s weather event vehicle restriction plan:Interstate 70 from the Maryland border to the PA Turnpike.PA Turnpike I-76 (Mainline) in both directions from Cranberry (Exit 161) to Valley Forge (Exit 326).PA Turnpike 66 (Greensburg Bypass) from Route 119/Interstate 70 to Route 22/Blairsville.Interstate 81 from the Maryland border to Interstate 78.The entire length of Interstate 83.The entire length of Interstate 99.The entire length of Interstate 283.Effective at 4 a.m. Thursda