Project Update – October 11, 2021

What’s Happening in Traffic This Week

Lane Closures on 17 Avenue S.W. – Slopeview Drive to St. Moritz Drive S.W.

There will be various lane closures on 17 Avenue S.W., from west of Slopeview Drive S.W. to east of St. Moritz Drive S.W., until the end of the month for utility relocations. At times, 17 Avenue S.W. will operate as a single lane of alternating traffic controlled by flag people on the road. This is required for directional drilling underneath the road.

Please drive cautiously and expect delays.

1 Avenue S.W.

Starting tomorrow, October 12, and ending Friday, October 15, 2021, 1 Avenue S.W. west of 109 Street S.W. will be reduced to a single lane of alternating traffic from 9 a.m. to 3 p.m. each day.

101 Street S.W. Temporarily Closed North of 17 Avenue S.W.

From 11:30 p.m. on Tuesday, October 12 to 11:30 p.m. on Saturday, October 16, 101 Street S.W. will be closed north of Township Road 242 / 17 Avenue S.W. to construct the new alignment.

101 Street S.W. will be accessible from Old Banff Coach Road S.W.

Valley Ridge Boulevard N.W. / 109 Street S.W.

Last week traffic was shifted to a new detour and many drivers experienced delays trying to get out of their community. Flag people were on site last week to improve traffic flow in this area and the project team is actively working to determine the best traffic management solution to address the congestion as quickly as possible.

This detour configuration is required to construct the rest of the roundabout intersection which will provide access to eastbound Trans-Canada Highway.

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.

We appreciate your patience during construction.

Bow River Bridge title banner

Cast-in-Place Superstructure

For the Bow River Bridge, the superstructure – the part of the bridge that supports the deck and carries the ‘live load’ – is being constructed using a balanced cantilever method. This involves casting pier segments using moveable forms. Together, the pier segments make up the superstructure.

North Project title banner

Ramp to Eastbound Trans-Canada Highway

Grading for the ramp from Valley Ridge Boulevard N.W. / 109 Street S.W. to eastbound Trans-Canada Highway continues.

18 Down, Two to Go

Last week the eighteenth deck was poured on one of the bridges that connects northbound Stoney Trail to westbound Trans-Canada Highway.

The tilt or bank on this bridge is called superelevation, which helps to counter the forces on a vehicle as it is travels through a curve. 

South project title banner

Bow Trail S.W. Pathway Underpass

The pre-cast concrete box culvert for the pathway underpass under Bow Trail S.W. has arrived on site. Box culverts are often used when a smaller structure is required, such as crossing small streams or for pedestrian underpasses like this one.