Interstate 84 will be closed under the Karcher Interchange Wednesday and Thursday so crews can paint stripes on the interstate.
- Eastbound will be closed Wednesday from 10 p.m. to 5 a.m.
- Westbound will be closed Thursday from 10 p.m. to 5 a.m.
Motorists traveling eastbound will exit I-84 using the Karcher Interchange eastbound off-ramp (Exit 33) and reenter using the on ramp.
Motorists traveling westbound will:
- Exit I-84 at the Northside Interchange (Exit 35).
- Travel north on Northside Boulevard.
- Turn left onto Karcher Road.
- Use the Karcher Interchange westbound on-ramp to merge back onto westbound I-84.
Click here to view the detour maps.
The I-84, Karcher Interchange project has been underway since 2024 to enhance safety and improve mobility at the interchange and along Karcher Road in Nampa. Crews are expected to place final touches in late spring of 2026.
Stay informed by signing up for tests or emails by texting 84CORRIDOR to 1-866-483-8422 or visiting itdprojects.idaho.gov/pages/karcheric. For questions, contact the project team at 208-334-8002. Maps and other details can also be found on the project website.