Highways & Roads
Engineered noise barriers, retaining walls, and safety hardware tested for the demands of modern transportation infrastructure.
Learn more about Highways & RoadsProject Overview
After conducting a review of Highway 401 overpasses, the Ministry of Transportation of Ontario (MTO) determined that the two three-span overpasses over Pitt Street were approaching the end of their service life and required replacement.
OwnerMTO
InstallerHughson Group
A Transparent TL-4 Upgrade
Enabling views for both the eastbound and westbound lanes of overpass traffic, the existing EKHO precast concrete sound-absorbing panels were replaced with the MASH TL-4 Transparent Noise Barrier System.
The TL-4 Crash-Tested Barrier System is structure-mounted to bridges and overpasses. Proven to stabilize a vehicle upon impact and reduce the severity of vehicle accidents, this system is frequently used by the MTO for the added safety benefits provided.
Repurposed Panels and Swift Installation
The original panels were repurposed along the remaining noise wall expansion, creating even more noise mitigation coverage.
Installed in a matter of weeks by our partners at Hughson, the typical 2.44m TL-4 system panels had a height of 5m to match the existing overpass wall height.
Since 2019, Hughson has now successfully installed a total of 1,285m2 of EKHO precast concrete sound-absorbing panels and 296 m2 of MASH TL-4 Transparent Noise Barrier System on the Westbound and Eastbound overpass.
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