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Highway 1 through Moose Jaw is an important part of the national highway system. Increasing traffic is straining the capacity of several key intersections. Changes are needed to improve safety and capacity. Any improvements must consider safety, limited space and maintaining access to local businesses.
A study for Highway 1 through Moose Jaw will focus on key intersections including 32nd Avenue NW, 9th Avenue NW, Highway 2, and Thatcher Drive. We want to hear your thoughts on some proposed options.
The planning study will consider the following:
A long-term solution is required to accommodate future development. In the last five years there have been one property damage and one injury collision with zero fatalities. The intersection averages 6,350 vehicles per day on Highway 1.
This option uses ramps to avoid existing development. 32nd Avenue NW crosses Highway 1 using an overpass. Service roads accommodate existing and future developments. Traffic enters and exits Highway 1 using ramps.
Highway 1 and 32nd Ave NW Video
Key Characteristics
There are safety concerns related to traffic crossing Highway 1 as well as the proximity of the North Service Road. In the last five years there have been nine property damage and 10 injury collisions with zero fatalities. The intersection averages 5,650 vehicles per day on Highway 1.
This option eliminates left turns in any direction. Traffic on 9th Avenue NW is not able to cross the highway. This improves safety by eliminating conflict points. It prevents left turn and T-bone collisions, which are the most severe.
Key Characteristics
This option eliminates free flow of Highway 1 through Moose Jaw. Traffic signals require the speed lowered from 80 km/h to 70 km/h. Highway 1 must shift further south to provide more space between the highway and the North Service Road. Traffic signals reduce left turn and T-bone crashes, but increase rear-end collisions.
Key Characteristics
This option eliminates free flow of Highway 1 through Moose Jaw. Traffic signals require the speed lowered from 80 km/h to 70 km/h. Highway 1 must shift further south to provide more space between the highway and the North Service Road. Traffic signals reduce left turn and T-bone crashes, but increase rear-end collisions.
A two-lane roundabout requires a speed reduction from 80 km/h to 60 km/h on the approach. The recommended speed through the roundabout is 30 km/h.
Key Characteristics
Highway 1 crosses 9th Avenue NW using an overpass. Traffic enters and exits Highway 1 using ramps. A bridge over the rail crossing to the west keeps Highway 1 free flow.
Key Characteristics
Highway 1 and 9th Ave NW Video
The Highway 2 bridge over Highway 1 does not provide enough clearance for large trucks. The interchange needs to be reconfigured. In the last five years there have been one property damage and 11 injury collisions with zero fatalities. The interchange averages 7,750 vehicles per day on Highway 1 and 6,050 vehicles per day on Highway 2.
A diamond interchange minimizes property impacts. The interchange has appropriate clearance for large trucks. Traffic enters and exits Highway 1 using ramps.
Key Characteristics
Highway 1 and Highway 2 Diamond Video
There are safety concerns related to traffic crossing Highway 1 at Thatcher Drive. In the last five years there have been six property damage collisions and one injury collision with zero fatalities. The intersection averages 9,000 vehicles per day on Highway 1.
This option eliminates free flow of Highway 1 through Moose Jaw. Traffic signals require the speed to be lowered from 100 km/h to 70 km/h. Traffic signals reduce left turn and T-bone collisions, but increase rear-end collisions.
Key Characteristics
A two-lane roundabout requires a speed reduction from 100 km/h to 60 km/h on the approach. The recommended speed through the roundabout is 30 km/h.
Key Characteristics
This option requires an overpass where Thatcher Drive crosses Highway 1. Traffic enters and exits Highway 1 using ramps.
Key Characteristics
We want to hear what you think.
Josh Kerr, P. Eng.
Senior Project Manager, Design Delivery
Government of Saskatchewan
Email: joshua.kerr@gov.sk.ca
Phone: 306-519-8277
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