Update: This closure has been extended to October 25, 2025.

4th Line will be closed for road work from October 20, 2025 to approximately 6 p.m. on October 24, 2025:

  • 10th Sideroad to Sloan Circle Drive: Hard closure, no through traffic
  • Sloan Circle Drive to Valley View Drive: Soft closure, local traffic only

4th Line will be open nightly to through traffic.

If you have any questions or concerns, please contact Customer Service at 705-436-3710 or inquiry@innisfil.ca

Road closure map