Reagan Memorial Tollway (I-88)

Illinois Prairie Path Underpass Improvements

Project Overview

The Illinois Tollway is replacing the Reagan Memorial Tollway (I-88) bridge over the Illinois Prairie Path between Eola Road and Illinois Route 59 near Aurora, and removing and replacing the pedestrian and bicycle underpass as part of roadway and bridge repair work on I-88.

To accommodate the improvements, a portion of the Prairie Path will be closed for several months in 2020. A detour will be posted.

All work is scheduled for completion in 2021.

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Construction Update (12/1/20)

The Illinois Prairie Path underneath I-88 between Eola Road and Illinois Route 59 near Aurora has reopened. No other path closures are scheduled this year. 

Please check the Daily Construction Alert for up-to-date closure information.

Customer Impacts

Construction and detour signage will be put in place in advance to alert Illinois Prairie Path users to scheduled path closures and detours.

As part of the reconstruction work, the path underneath will be closed to pedestrian and bicycle traffic for several months during the spring and summer of 2020. A detour will be posted, which will direct pedestrian and bicycle traffic to use an existing barrier-protected sidewalk along Eola Road to cross I-88.


When complete, the new I-88 bridge over the Illinois Prairie Path will reduce ongoing maintenance needs and allow for minimal interruption to Illinois Prairie Path users for any future I-88 construction. This work is part of the Tollway's 15-year, $14 billion capital program, Move Illinois: The Illinois Tollway Driving the Future.


The Tollway is committed to building green and minimizing the environmental impact of construction by reducing, recycling and reusing materials. In addition to reducing the cost of this work, reuse of these materials reduces the need for virgin asphalt materials and reduces energy consumption, greenhouse gases and the volume of material that would otherwise be sent to landfills.