City of Thorold Emergency Alert Banner

Sullivan Avenue from Towpath Street to Front Street temporarily closed on Friday, October 2 and will remain closed for approximately three weeks. The City contractor is continuing to replace aging underground infrastructure and reconstructing the roadway within downtown Thorold.

The Pine Street and Sullivan Avenue intersection will be closed due to construction work being completed by the City’s contractor. The closure will begin on Monday, September 28 at 7:00 a.m., and the intersection is expected to reopen on Tuesday, September 29 at approximately 6:00 p.m., subject to weather and site conditions.

Please be advised that there will be a temporary road closure on Alexandria Drive from Tuesday, September 22 to Wednesday, September 23 from 7:00 a.m. to 5:00 p.m. between Kottmeier Road and Legacy Lane.

Bridge 11 (Hwy 20) will be closed on Wednesday, September 23 and Thursday, September 24 from 9 a.m. to 4 p.m. due to bridge and road maintenance. All vehicle and pedestrian traffic are prohibited. 

The Sullivan Avenue and Towpath Street intersection is scheduled to close on Monday, September 21 at 6:00 a.m. for approximately two weeks. The contractor is replacing aging underground infrastructure and reconstructing the roadway within downtown Thorold.

Please be advised that construction is scheduled to begin on Crompton Boulevard on September 9, 2026. To complete the work safely, Crompton Boulevard will be closed to through traffic from Richmond Street to the south end of Crompton Boulevard while construction is underway.

The Niagara Peninsula Conservation Authority (NPCA) is advising local municipalities, emergency services, and the public of the potential for flooding within its jurisdiction. This includes the Niagara Region.

Towpath Road in the City of Thorold is closed each day this week from 7:30 a.m. to 4 p.m. until Friday, August 21

Please be advised that sections of Kottmeier Road, between Port Robinson Road and Turner Road, and Port Robinson Road, between Cataract Road and Merrittville Highway, will be temporarily closed to facilitate speed hump installation. 

Towpath Road in the City of Thorold will be closed on Thursday, August 13 and Friday, August 14 from 7 a.m. to 3 p.m.