Project Update

August 11, 2023

What’s Happening in Traffic

Shifting traffic patterns on Old Banff Coach Road and 17 Avenue S.W.

Minor traffic pattern changes will continue on Old Banff Coach Road and on 17 Avenue S.W. Please stay alert driving through these areas.

Looking west at Old Banff Coach Road
Looking east at 17 Avenue S.W.

RESCHEDULED: Single lane of alternating traffic on Highway 8

The overhead sign installation on Highway 8 has been rescheduled to Tuesday, August 22, in the late evening. For several hours starting around 9 p.m., Highway 8 will be reduced to a single lane of alternating traffic. Please expect delays.

All work is weather dependent. Please check 511 Alberta and The City of Calgary’s traffic information map for up-to-date information on traffic detours and speed reductions. For all other project information, please visit

We appreciate your patience during construction.

Stoney Trail Paving Continues

Old Banff Coach Road to Bow Trail

Standing on the Bow Trail bridge looking north at Old Banff Coach Road
Looking south at Old Banff Coach Road

17 Avenue S.W. to Highway 8

Paving the southbound lanes
Paving the northbound lanes

Bow Trail Interchange Progress

Considerable progress has been made on the Bow Trail interchange this construction season.

Looking east at the Bow Trail interchange on April 4, 2023
Looking east at the Bow Trail interchange on July 26, 2023
A pigmented sealer or coating – not paint – is applied to the Bow Trail bridge girders to form a waterproof film
Looking east at Bow Trail between the interchange and 85 Street S.W.

Highway 8 Interchange Construction

With all four bridge decks on the interchange poured, work at Highway 8 is largely focused on road construction.

Looking south at the Stoney Trail / Highway 8 interchange
Placing fill on the southbound Stoney Trail lanes approaching Highway 8
The subgrade for the westbound Highway 8 lanes near 101 Street S.W. is near the final elevation