2:50 p.m.The crash blocking lanes along northbound I-75 at Exit 8 toward Towne Street has been cleared and all lanes have reopened, according to Ohio Department of Transportation traffic cameras. Stop-and-go traffic is backed up to Ludlow Avenue.2:30 p.m.The right lane is blocked along northbound I-75 at Exit 8 toward Towne Street due to a crash, according to Ohio Department of Transportation traffic cameras. Stop-and-go traffic is backed up to Ludlow Avenue. Authorities advise motorists to expect delays of up to 20 minutes. This story will be updated with the latest information as it comes in.