Photo courtesy of Fintano.

Congestion Management Process

As the designated Metropolitan Planning Organization (MPO), Tri-County Regional Planning Commission maintains the region’s Congestion Management Process (CMP), which satisfies the congestion management requirement for an urbanized area with over 200,000 in population described in Title 23 Code of Federal Regulation Section 450.322. The Congestion Management Process (CMP) Update is the current CMP, adopted on August 3, 2022, for the Peoria-Pekin Urbanized Area.


Federal regulation requires MPOs to develop and implement CMP in Transportation Management Areas (TMAs) – urbanized areas with a population over 200,000 – including the Peoria-Pekin urbanized area. Per 23 CFR 450.322, “the transportation planning process in a TMA shall address congestion management through a process that provides for safe and effective integrated management and operation of the multimodal transportation system…”

The CMP maps the region’s transportation network and identifies the areas with high traffic to be able to manage them effectively in the future. Per federal guidelines, the publication should establish a coordinated program for data collection and system performance monitoring to identify the extent and duration of congestion. This method provides evidence to identify the cause of congestion and evaluate the effectiveness of congestion mitigation strategies.

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