Alvaro Almuina, P.Eng., PMP Project Coordinator 705-739-4220 x4458 416-648-3024Alvaro.Almuina@Barrie.ca
Transportation Master Plan (June 2019)
Salem Secondary Plan Class Environmental Assessment (Phase 3 and 4) Study (2017)
Highway 400 Transportation and Environmental Study Report (TESR) 
McKay EA Proposed McKay Road East and Highway 400 Interchange & Salem Road / Lockhart Road Crossing over Highway 400 (2017)
The scope of work is to provide engineering services for an Operational & Safety Analysis and the detailed design of the Parclo A-3 interchange at Highway 400 and McKay Road and supporting infrastructure.
Design Concept includes:
The existing McKay Road overpass was replaced by MTO and opened to traffic in October 2017. The replacement bridge was constructed on the existing McKay Road alignment and accommodates two lanes of 3.50 m with 2.0 m side clearances.
The structure spans the existing (6-Lane) and future (10-Lane) Highway 400 cross-sections.
The replacement bridge has been designed to accommodate this future widening as the northbound lanes will be accommodated under the easterly span (where the existing Highway 400 is located) and the southbound lanes will be accommodated by the westerly span (currently unused ROW).
To accommodate the interchange, the overpass structure will have to be widened by 27.3 m, to an ultimate width of 38.9 m. The McKay Road replacement bridge was specifically designed to accommodate a future structural widening for the purpose of an interchange, including accommodating minimum vertical clearances (5.1 m).
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