Work Completed

Interactive Corridor Map Icon

Interactive Corridor Map

Planned Improvements Icon

Planned Improvements

Work Underway  Icon

Work Underway

Work Completed Icon

Work Completed

Work Completed

Types of Infrastructure Improvements

Widening icon


One additional lane between a specific mile marker on the northbound or southbound side. Where there were two lanes, the road would widen to three.

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Acceleration icon

Acceleration / Deceleration Extension

Allow vehicles more space to accelerate before merging with interstate traffic, or slow to exit at the interchange.

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Curve icon

Curve Improvement

Flashing chevron or flashing yellow arrows will be installed along specific curves to notify drivers of upcoming curving road

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Truck icon

Truck Climbing Lane

An additional lane added allow trucks to ascend an incline at a safe speed and maintain regular traffic flow.

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Auxiliary lane icon

Auxiliary Lane

Auxiliary lanes will allow drivers additional time to speed up or slow down when merging on or off I-81.

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Shoulder icon

Shoulder Widening

Wider shoulder lanes increase safety of emergency vehicles and personal vehicles that pull off to the side of the road for car issues.

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Operational improvements icon

Operational Improvements

New digital message signs, new traffic cameras, extended Safety Service Patrols, improved incident clearance and arterial route improvements.

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Multimodal improvements icon

Multimodal Improvements

Transit and rail options to broaden and improve transportation access along the I-81 corridor.

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