Monmouth, Illinois – Tree clearing along U.S. 67 north of Monmouth begins Monday, affecting traffic flow.
According to the Warren County Sheriff’s Office, the next phase of the U.S. 67 improvement project will start Monday, Feb. 16, 2026. The affected area is at 245th Avenue, the Gerlaw turnoff, north of 270th Avenue.
As the project progresses, traffic signals will be installed to accommodate one-lane traffic. An exact date for the traffic light installation has not yet been established, authorities said.
Motorists are advised to observe all traffic laws, obey posted flaggers, and remain alert for sudden stops in the construction zone. Drivers are also urged to reduce speed significantly to ensure the safety of workers and other motorists.
The sheriff’s office emphasized that lane restrictions and intermittent stops are expected as crews begin clearing operations. Additional phases of the broader U.S. 67 project are anticipated in the coming months.
The work could affect daily commuters and students traveling between Monmouth and surrounding rural areas, particularly during peak morning and afternoon hours.
Officials have not released a projected completion date for this phase of construction. Drivers are encouraged to plan for minor delays and allow extra travel time when passing through the work zone.
Updates will be provided as additional traffic control measures are announced.
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