Motorists in Ottawa and Gatineau should expect delays and detours today as several construction projects on roads and bridges launch in the capital region.

Macdonald-Cartier Bridge 

Lane reductions begin and are expected to continue until November as rehabilitation work goes forward on the centre median and the Ottawa-bound exterior lane.

  • Weekdays from 6 a.m. to 9:30 a.m. ET, three Ottawa-bound and two Gatineau-bound lanes will be open. 
  • Weekdays from 3 p.m. to 7 p.m., two Ottawa-bound and three Gatineau-bound lanes will be open. 
  • During off-peak hours in the morning and afternoon, two lanes will be open in each direction. 
  • Between 10 p.m. and 5 a.m., one lane will be open in each direction.
  • Some short-term closures will also be required during off-peak hours.
  • Gatineau-bound sidewalks will be open to pedestrians and cyclists during construction.

Chaudiere crossing

Lane reductions are scheduled from Monday to Friday.

  • Between 9 a.m. and 3 p.m., one Ottawa-bound and one Gatineau-bound lane will be open.
  • Pedestrians may be rerouted as west and east sidewalks could be temporarily closed.

Highway 417/174

Occasional off-peak lane reductions are expected from Monday to Saturday on Highway 417 in both directions between Kent Street and the Highway 417/174 split, and between Parkdale Avenue and Rochester Street.

There will also be off-peak lane reductions on Highway 174 westbound between Montreal Road and Blair Road.

Highway 417 will be closed in both directions between Lees Avenue and the Highway 417/174 split at 15-minute intervals between 1 a.m. and 4 a.m. during the same time period.

The work is part of the Highway 417 expansion project, which will add an additional lane in each direction between Nicholas Street and the Highway 417/174 split. The new lanes will be for rapid transit from 2015 to 2018 during LRT construction.

The following ramp closures are also scheduled:

  • Southbound St. Laurent Boulevard on-ramp to Highway 417 eastbound closed until Aug. 11. Detour route on Coventry Road.
  • Northbound St. Laurent Boulevard on-ramp to Highway 417 westbound closed nightly until July 24, then closed entirely until Aug. 25. Detour route on Coventry Road.
  • Highway 417 eastbound and westbound off-ramps to the Vanier Parkway closed nightly from July 20 to 26. Closure not at same time as eastbound St. Laurent Boulevard off-ramp.
  • Northbound Vanier Parkway on-ramp to Highway 417 eastbound closed nightly from July 20 to 26. Detour route on Coventry Road.
  • Southbound Vanier Parkway on-ramp to Highway 417 eastbound closed nightly from July 21 to 25.
  • Northbound Vanier Parkway on-ramp to Highway 417 westbound closed nightly from July 20 to 26.
  • Southbound Vanier Parkway on-ramp to Highway 417 westbound closed nightly from July 20 to 26. Closure not at same time as southbound St. Laurent Boulevard on-ramp to Highway 417 westbound.
  • Southbound St. Laurent Boulevard on-ramp to Highway 417 westbound closed from July 20 to 26. Closure not at same time as southbound Vanier Parkway on-ramp to Highway 417 westbound.
  • Northbound St. Laurent Boulevard on-ramp to Highway 417 westbound closed nightly from July 20 to 26.
  • Eastbound Highway 174 off-ramp to St. Laurent Boulevard closed nightly from July 20 to 26.Closure not at same time as eastbound Highway 417 off-ramp to Vanier Parkway.

Albert and Slater streets  

Lane reductions are expected for one month as bus lanes from Bay to Elgin streets are resurfaced on Albert Street, and all lanes are resurfaced on Slater Street from Empress Avenue to Elgin Street. Sidewalks will also be replaced.

Construction is scheduled during off-peak hours, including weekends. One lane of traffic will remain open at all times. 

First Avenue

Roadwork on First Avenue between Bronson Avenue and O'Connor Street also begins Monday. The stretch of road will only be open to local vehicle and bicycle traffic, though pedestrians can continue to use the avenue.

The westbound OC Transpo route 6 will be rerouted to Third Avenue. 

City of Ottawa construction crews will be at work from  7 a.m. to 7 p.m. on weekdays, as well as some weekends, to rehabilitate sewers, watermains and roads. The construction project also includes a new one-way westbound bike lane on the north side of First Avenue from O'Connor Street to Percy Street.

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