About the Project

The New US 31 Hamilton County project upgrades US 31 to freeway standards from I-465 at the Marion-Hamilton County line, through Carmel and Westfield to State Road 38. Upgrading the 13 miles of existing highway between I-465 and SR 38 to Federal freeway standards is, in terms of dollars, the largest and most aggressive road project ever attempted in Hamilton County.

The New US 31 Hamilton County project is intended to reduce congestion, improve safety and provide continuity of commerce and regional travel for a US highway that stretches from Michigan to Alabama. Work on three congested sections of US 31 has reduced travel time between Indianapolis and South Bend by about 30 minutes. Construction began in 2011 and, with the accelerated schedule, the entire corridor between I-465 and SR 38 is now substantially complete.

US 31 construction is substantially complete

Construction along US 31 in Hamilton County is substantially complete. Remaining work, such as some landscaping and clean-up will be performed through 2017 with as minimal impacts to traffic as possible.

INDOT will transition the project website files from US31HamiltonCounty.in.gov to the main INDOT website in the coming weeks.

For questions and information regarding US 31 in Hamilton County, please contact INDOT Customer Service at eastcentralin@indot.in.gov or 1-855-463-6848.


Nov. 22, 2016

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Oct. 17, 2016

Temporary closure of SB US 31 ramp to Keystone Pkwy starting at 8 p.m. on 10/21 thru 6 a.m. on 10/24. Details: http://conta.cc/2eKlOzG



Oct. 13, 2016

UPDATE: Ramp closures at US 31/Keystone Ave & US 31/I-465 this weekend. http://conta.cc/2ewytWS

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