TSMO Western Region
The Transportation Systems Management & Operations Western Region is comprised of the current Northwest and Southwestern Regions and Jefferson County. Its counties are Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford, Erie, Fayette, Forest, Greene, Indiana, Jefferson, Lawrence, Mercer, Venango, Warren, Washington, and Westmoreland.
Regional Operations Plan
Regional ITS Architecture
PennDOT Districts