Pennsylvania state transportation officials have lowered speed limits to avoid Lehigh Valley car accidents, on January 4, 2018. PennDOT has lowered speed limits on Route 22, Interstate 78, Route 33 and 248 to help avoid Lehigh Valley car accidents. The Lehigh valley highways speed limits have been lowered to 45 mph. PennDOT is asking motorists to avoid unnecessary driving on these local highways to help avoid the possibility of personal injury car accidents. Read more