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[INDOT - East Central] New Roundabout Interchange Open at 161st Street and US 31
Start Date: 8/16/2013Start Time: 12:00 AM
End Date: 8/16/2013End Time: Midnight
Entry Description

New Roundabout Interchange Open at 161st Street and U.S. 31

WESTFIELD, Ind. – Indiana Department of Transportation (INDOT) contractor Rieth-Riley Construction has opened The New U.S. 31 Hamilton County interchange at 161st Street.


The interchange replaces the former intersection at U.S. 31 and 161st Street, which closed in April to allow crews to construct a new bridge and ramp system with roundabouts controlling ramp and cross traffic on 161st Street.


Access to and from U.S. 31 via the new ramp system and roundabouts on 161st Street are now open, but 161st Street west of Farr Hills Drive will remain closed while the City of Westfield continues to improve the intersection with the Monon Trail by creating a more pedestrian-friendly crossing.  Work is expected to be completed by October 20th.


“The closure of 161st street allows the City to complete installation of infrastructure for a future Monon tunnel crossing at a reduced cost with limited traffic interruption,” Westfield Mayor Andy Cook said.


The new 161st Street interchange is part of a $58 million contract to upgrade U.S. 31 to freeway standards north of 146th Street to south of 169th Street. The project includes new ramps to connect 146th Street to the north with Greyhound Pass and 151st Street with a “split-diamond” interchange.


Upgrading U.S. 31 to freeway standards from I-465 to State Road 38 is the largest and most aggressive road project ever implemented in Hamilton County. The New U.S. 31 Hamilton County is part of a Major Moves program to upgrade or bypass congested sections of U.S. 31 between Indianapolis and South Bend—reducing congestion, improving safety and providing continuity of commerce and regional travel for a U.S. highway that stretches from Michigan to Alabama.


For more information on The New U.S. 31 Hamilton County and other major INDOT projects, visit Updates and information are also available via INDOT social media channels at

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    Transportation, Indiana Department of

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