Elgin O'Hare Western Access

Elmhurst Road Project at I-90

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Project Overview

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Diverging Diamond Interchange Fact Sheet
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In 2014, work will continue to build the new Elmhurst Road Interchange on the Jane Addams Memorial Tollway (I-90).  The Illinois Tollway will complete construction of a new bridge to carry southbound Elmhurst Road traffic over the Jane Addams Memorial Tollway (I-90) and then begin work to reconstruct the bridge that will carry northbound Elmhurst Road traffic over I-90.

In addition, ramp construction is scheduled, as well as work to reconstruct and widen Elmhurst Road, including the construction of a bridge over Higgins Creek in 2014.

The Elmhurst Road Interchange Project will complete the existing partial interchange that currently only provides access to and from the east and is scheduled to be completed in 2016. This work is part of the Elgin O'Hare Western Access Project.

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Construction Update (08-29-14)

Beginning Monday, September 8, the Elmhurst Road Interchange ramps connecting northbound Elmhurst Road traffic traveling to and from the east on I-90 will close. All traffic will be routed to the ramps currently used to carry southbound Elmhurst Road traffic traveling to and from the east.

On I-90, traffic between Elmhurst Road and Higgins Creek in both directions is shifted to the right to provide a work zone in the median for construction of the new bridge to carry southbound Elmhurst Road traffic. Traffic is expected to stay in this configuration through the spring. .

Project Summary

A new, diverging diamond interchange will be constructed at I-90 and Elmhurst Road. Diverging diamond interchanges are designed to eliminate left turns in front of oncoming traffic, smooth traffic flow and reduce congestion. Right turns work the same as they do at conventional interchanges, and traffic is controlled by signals.

Construction of the new southbound Elmhurst Road Bridge will be complete by summer 2014. Temporary pavement will then be constructed and temporary traffic signals installed in order to shift traffic in both directions onto the new bridge. This will allow for the demolition the old Elmhurst Road Bridge and the start of construction on the new northbound Elmhurst Road Bridge in late 2014.

Additional work on this project in 2014 includes the reconstruction of the Elmhurst Road Bridge over Higgins Creek and the widening and reconstruction of Elmhurst Road from two lanes to three, which will begin in late 2014 and continue through 2015.

Maintenance of Traffic
Whenever possible, the Tollway uses traffic shifts and shoulders to keep as many lanes open during peak hours as were available before construction. All existing ramp movements will remain open during construction, however ramps connecting northbound Elmhurst Road traffic traveling to and from the east on I-90 will be closed with all traffic routed to the ramps currently used to carry southbound Elmhurst Road traffic traveling to and from the east.

In 2014, the Elmhurst Road Bridge Project will require traffic shifts and reduced speed limits on I-90 for work to construct the new bridge structure.

Elmhurst Road traffic will remain on the existing bridge until the new bridge is complete in mid-2014, and then traffic will be shifted onto the new bridge, allowing for the reconstruction and widening of the existing bridge for northbound traffic.

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New bridges and ramps will be constructed at the interchange to provide full access between I-90 and Elmhurst Road. The current interchange at Elmhurst Road and I-90 is a partial interchange providing westbound exit and eastbound entrance movements only. These ramps were built in 1958 as part of the original construction of I-90.

The project cost is estimated at $54 million. These improvements are part of the $3.4 billion Elgin O'Hare Western Access Project, which is included in the Tollway's 15-year, $12 billion capital program, Move Illinois: The Illinois Tollway Driving the Future.

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Building Green

The Tollway is committed to "Building Green" and minimizing the environmental impact of construction by reducing, recycling and reusing materials. New asphalt pavement used for the ramp shoulders may incorporate recycled materials and sustainable practices including warm-mix asphalt, reclaimed asphalt pavement and recycled asphalt shingles. In addition to reducing the cost of this work, reusing materials reduces the need for virgin asphalt materials and reduces the volume of material that would otherwise be sent to landfills.

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Work Zone Safety

A 45 mph work zone speed limit is in place on I-90. Construction zone speed limits are in effect in all construction zones 24/7 and drivers should continue to watch for changing traffic patterns and use caution, especially when workers are present. Visit the Tollway's Work Zone Safety page.

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