Highway 405 is a short 400-series highway in Ontario, Canada that connects the Queen Elizabeth Way to the Lewiston-Queenston Bridge in the village of Queenston. This route provides a connection to Interstate 190 outside of Niagara Falls, New York.In November 2004, exit ramps to the Niagara Parkway were removed to allow room for a new truck staging carriageway, with dedicated ramps to the Lewiston-Queenston Bridge, and eventual customs pre-clearance areas. Traffic exiting to the Niagara Parkway is now directed to exit at Townline Road, where trailblazers lead to the parkway. Highway 405 was also added to the COMPASS network of highway monitoring. The cameras used on Highway 405 are a new variety that uses infrared sensors, allowing the highway to be visible despite the dark, rural area it runs through.
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