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.
Allow vehicles more space to accelerate before merging with interstate traffic, or slow to exit at the interchange.
An additional lane added allow trucks to ascend an incline at a safe speed and maintain regular traffic flow.
Auxiliary lanes will allow drivers additional time to speed up or slow down when merging on or off I-81.
New digital message signs, new traffic cameras, extended Safety Service Patrols, improved incident clearance and arterial route improvements.