SHELTON \u2014 Route 8 has reopened after a multi-vehicle crash shut down the northbound lanes Thursday morning, the state\u2019s transportation agency said. The crash happened in the area of exits 12 and 13 some time before 7:30 a.m., the state Department of Transportation said. The extent of injuries wasn\u2019t immediately clear. At 9:30 a.m., traffic was backed up more than 5 miles, to Exit 5, the DOT said. The road was reopened by 10:15 a.m.