Highway 401 Construction

Posted on Friday October 27, 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 McConnell 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.


November 1, 2017 -  Eastbound on-ramp and off-ramp from Summerstown Road  to Highway 401 will be closed to public traffic starting at 6:00 am until 8:00 pm.

Please plan ahead for an alternate route.  Access to Hwy 401 EBL is at either Boundary Road or Lancaster (County Rd 34).  We apologize in advance for this inconvenience and very much appreciate the public's patience during custruction.


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