Work Zone Mobility and Safety Program
Photo collage: temporary lane closure, road marking installation, cone with mounted warning light, and drum separated work zones.
Office of Operations 21st Century Operations Using 21st Century Technologies

Fact Sheet 8: Figure 1 Description

Figure 1 is a bar graph showing the maximum queue length thresholds for work zones with lane closures in Ohio. Acceptable delays in length range from from 0.75 to 1.5 miles over the period of 120 minutes. Queues greater than 1.5 miles are not acceptable. Queues less than 0.75 miles in length are allowable for any duration.

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