I-490 Tollway

I-490/I-294 Interchange Project

Project Overview

As part of the new I-490 Tollway, the Illinois Tollway is building a new interchange connecting I-490 to the Tri-State Tollway (I-294).

In 2022, work includes continued construction of a new ramp to connect northbound I-294 to the new I-490 Tollway and reconstruction and widening of southbound I-294 between North Avenue and Wolf Road. 

 

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Construction Update (5/13/22)

The eastbound lanes on West Lake Street under I-294 are closed to traffic through the end of the month with a posted detour, and traffic shifts and overnight closures will be needed on ramps connecting I-290 to Lake Street/North Avenue 

Between North Avenue/Lake Street and the O'Hare Oasis traffic is shifted in both directions, including one southbound lane that is traveling on the northbound side of the Tollway between Grand Avenue and St. Charles Road and one northbound lane that is traveling on the southbound side of the Tollway between Franklin Street to the O'Hare Oasis. In addition, southbound traffic entering the counterflow lane at Grand Avenue will not be able to change lanes until just past St. Charles Road and will not have access to the exit to westbound I-290. Traffic is scheduled to remain in this configuration into the summer.

See the Daily Construction Alert for up-to-date information.

Customer Impacts

Lane closures and traffic shifts will be necessary to provide a work zone and safely accommodate traffic during construction.

Electronic message signs and construction signage will be put in place in advance to alert drivers to scheduled lane closures, traffic patterns and work zone speed limits.

To accommodate interchange construction, lane closures on local roads will also be needed.

Work Zone Safety

The Illinois Tollway is committed to ensuring that the Tri-State Tollway (I-294) remains safe for both drivers and workers during construction, which is part of the agency’s overall commitment to roadway safety.

Work 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 at illinoistollway.com.

Purpose

The new I-490 Tollway, coupled with the Illinois Route 390 Tollway, which was completed in 2017, will connect businesses and communities with one of the nation’s busiest airports, transit facilities, major freight transportation hubs, distribution centers and multiple interstate highways including the Jane Addams Memorial Tollway (I-90) and the Central Tri-State Tollway (I-294).

Sustainability

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.