Projects that are eligible for traffic noise abatement consideration are identified as Type I and Type II projects. Noise walls or sound barriers identified to abate traffic noise impacts are considered in the environmental analysis throughout the development of a highway project. When evaluating traffic noise, traffic noise impacts, and traffic noise abatement, the Department follows the Federal Highway Administration (FHWA) regulations, policies and procedures. Phase II and Phase III (construction) are being performed and led by the Village of Shorewood for the Seil Road improvement. The project has advanced to the next implementation phase, contract plan preparation and land acquisition (Phase II).
Preliminary engineering and environmental studies (Phase I) for the Seil Road project were completed by the Department in November 2021.
In addition to the mini-roundabouts, the proposed alternative also includes a center left turn lane, bridge reconstruction/rehabilitation and improved pedestrian/bicyclist connectivity over the DuPage River. The Seil Road project between Raven Road and I-55 West Frontage Road includes the construction of mini-roundabouts at the Seil Road intersections with States Lane and with Raven Road. The proposed Seil Road capacity improvement project is intended to add capacity, mitigate traffic congestion and improve safety.
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