 State Route 37 ( SR 37 ) is a primary state highway in the U.S. state of Virginia . It forms a western bypass of Winchester , connecting to Interstate 81 at both ends . Although the road is a freeway , neither I @-@ 81 connection is freeway standard ; the south end ( exit 310 ) is a diamond interchange with two-way ramps and the north end ( exit 31.5 ) is a partial cloverleaf interchange. The road also connects to the Winchester Business Park and the Winchester Technology Park . The road is maintained by the Virginia Department of Transportation (VDOT) .
The road was first