Breaking News Bridge/Retaining Walls/Tunnels Bridges/Tunnels Commuter/Regional Lower Don Bridge Metrolinx Ontario Line Passenger passenger rail Track Construction Construction Begins on Lower Don Bridge on Ontario Line Jennifer McLawhorn May 4, 2024 0 TORONTO – Major construction has begun on the new Lower Don Bridge for Ontario Line subway. The post Construction Begins on Lower Don Bridge on Ontario Line appeared first on Railway Track and Structures.