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

Best Practice

BEST PRACTICE:

C1−3: Traffic Impact Analysis

DESCRIPTION:

Prior to designing a project, detailed traffic capacity analysis is completed to determine how many lanes must be maintained and when to provide enough capacity for adequate traffic flow. The capacity analysis is completed for a typical weekday, Friday, Saturday, and Sunday for each month of the year.

REASON(S) FOR ADOPTING:

This practice was adopted to limit any possible delays in the work area.

PRIMARY BENEFIT(S):

This practice has improved customer service and safety.

MOST APPLICABLE LOCATION(S)/PROJECT(S):

This practice has been used on high−speed/high−volume facilities.

STATE(S) WHERE USED:

Pennsylvania

SOURCE/CONTACT(S):

Timothy M. Scanlon, Traffic Engineering Manager, Pennsylvania Turnpike Commission
Phone: (717) 939−9551, ext. 5590
E−mail: tscanlon@paturnpike.com

Office of Operations