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Harrisburg Today
By the People, for the People
Weekend Closure of Illinois 145/Illinois 34 Begins March 13
Culvert replacement project will require detour for motorists in Saline County
Mar. 11, 2026 at 11:21pm
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The Illinois Department of Transportation announced a weekend closure of Illinois 145/Illinois 34 in both directions, approximately 3 miles south of Harrisburg, starting at 6 p.m. Friday, March 13. The closure is due to a culvert replacement project and is expected to be completed by 6 a.m. Monday, March 16.
Why it matters
This closure will impact motorists traveling through Saline County, requiring them to follow a posted detour using Illinois 45, Interstate 24 and Illinois 147. Drivers are urged to pay close attention to changing conditions and obey all posted signs and speed limits for their safety and the safety of workers.
The details
The closure will take place from Butler Road to Walnut Grove Road. A posted detour will be in place to guide motorists around the closure. IDOT advises drivers to refrain from using mobile devices and be alert for workers and equipment in the area.
- The closure will begin at 6 p.m. on Friday, March 13, 2026.
- The closure is expected to be completed by 6 a.m. on Monday, March 16, 2026.
The players
Illinois Department of Transportation
The state agency responsible for maintaining and improving Illinois' transportation infrastructure.
What’s next
Drivers should check IDOT's traveler information map on GettingAroundIllinois.com for updates on the project and any changes to the detour route.
The takeaway
This weekend closure is necessary for critical infrastructure maintenance, but will require motorists to plan ahead and follow the posted detour to avoid delays and ensure their safety and the safety of workers in the area.
