Highway 401 Construction

Posted on Thursday September 07, 2017

Please check this page periodically, all updates we receive will be posted below.

Please be advised that construction and implementation of traffic control measures on Highway 401 are schedule to start July 4th, 2017 and are expected to be completed in the summer of 2018. 1KM east of McConell Road to County Rd 34 in both EBL and WBL will be affected.  Single lane closures will occur throughout the construction season. Periodic ramp closures are also to be expected at Boundary Rd and Summerstown Rd.


September 13th, 2017 - Eastbound and Westbound ramp closures:

EB on ramp at 4th Line Rd will be closed from 9:00 am to 12:00 pm

WB off ramp at exit 825 will be closed from 7:00 am to 6:00 pm


Please contact Ontario 511 or visit the Traveller Information Services to access the Interactive Map.