417 westbound off-ramp at Pinecrest to close November 1 until Summer 2023

This post has been updated as the closure date was changed on October 29th from November 2nd to November 1st.

As per the City of Ottawa:

The Highway 417 westbound off-ramp to Pinecrest Road will close to the public overnight on November 1 until summer 2023. Motorists are encouraged to follow alternate routes, noted on the graphics below, to reach their destinations through the duration of construction. Cycling and pedestrian routes will remain open.

The closure is required as part of the work on the Stage 2 O-Train West extension. A trench will be built on the north side of the highway, to allow the train to travel under Pinecrest Road and highway ramps.

For additional information please visit :

visual picture of one of two detours for highway closure