When the I-691 EB Exit 1B to Route 15 SB is closed, the detour route is as follows, with a graphic below. Please check the weekly update to find out if this ramp will be closed.
- Continue on I-691 EB and take Exit 1 (East Main Street)
- Left onto Preston Avenue
- Left onto the ramp to I-691 WB (keep left)
- Take I-691 Exit 1B (on left) to Route 15 SB

