Weekend ramp closure planned for I-84/Karcher Interchange in Nampa; detour will be in place

Road Work Ahead sign

Ongoing improvements to the Interstate 84/Karcher Interchange in Nampa will require the closure of the westbound off-ramp (Exit 33A) this weekend.

The ramp closure will begin Friday at 8 p.m. and will last until 5 a.m. Monday, Sept. 10.

Westbound Interstate 84 motorists will be directed to use Exit 35 at Northside Blvd. instead of Exit 33A during this closure. See detour map.

The project is scheduled to wrap up this fall.

*Eliminating exit 33B and adding lanes at exit 33A/Midland Blvd.
*Adding a second southbound lane to Midland Blvd.
*Adding a second left turn lane from the Karcher Bypass to southbound Midland Blvd.
*Upgrading sidewalks and traffic signals

To sign up for construction updates, please email Jennifer.gonzalez@itd.idaho.gov or call 208.334.8938.