The two loop ramps at the I-39/90 and US 12/18 (Beltline) interchange in Madison will be closed from 9 p.m. Monday (April 19) to 5 a.m. Tuesday (April 20). Drivers should follow the signed detour routes.
- I-39/90 southbound exit loop ramp (Exit 142B) to eastbound US 12/18.
- Westbound US 12/18 loop ramp (Exit 267A) to I-39/90 southbound.
The ramp closures and work operations are weather dependent and subject to change. The back-up date is 9 p.m. to 5 a.m. Tuesday night.