The Idaho Transportation Department will close Interstate 84 between Garrity (Exit 38) and Ten Mile (Exit 42) interchanges throughout the month of March. These closures will allow crews to set 20 girders for the Treasure Valley’s first-ever tri-level flyover ramp at the future I-84 and State Highway 16 interchange.
Here’s what to expect:
Tuesday, March 10 and Wednesday, March 11:
- Eastbound I-84 closed from 10 p.m. to 5 a.m. each night.
- Traffic will be detoured to Franklin Road. See detour map.
Friday, March 13:
- Eastbound I-84 closed from 10 p.m. to 5 a.m. Traffic detoured to Franklin Road. See detour map.
- Westbound I-84 will be reduced to two lanes.
Saturday, March 14 – Monday, March 16:
- Eastbound I-84 closed. Traffic will exit and re-enter using the new ramps. See detour map.
- Westbound I-84 will be reduced to two lanes.
- Closures will take place starting Saturday (March 14) at 6 a.m. and continue until Monday (March 16) at 5 a.m.
Tuesday, March 17 – Friday, March 20, and Monday, March 23:
- Westbound I-84 closed from 10 p.m. to 5 a.m. each night.
- Traffic will be detoured to Franklin Road. See detour map.
Ongoing nighttime lane restrictions on I-84 will continue through spring. All dates are subject to change due to weather or other unforeseen circumstances.
Text HIGHWAY16 to 1-866-483-8422 to sign up for updates. For maps and details about the project, visit itd.idaho.gov/project/sh16construction.
Drivers are encouraged to plan extra time when traveling through the area at night and check 511.idaho.gov or the 511 mobile app for the latest updates on restrictions and delays.