The federal government is expediting security screening at four of Canada's busiest airports for those U.S.-bound air passengers that it considers low risk.

It's also expanding the group of "trusted travellers" able to use these queues to include members of Canadian and U.S. military as well as air crews. Previously this was limited to Canadians who have joined the NEXUS program, which conducts extensive pre-screening on applicants, and passengers who've enrolled in the similar U.S. Global entry program.

‎Participating airports include Vancouver, Calgary, Toronto's Pearson Terminals 1 and 3 as well as Montreal.

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Currently, at 16 Canadian airports, NEXUS and Global Entry members receive expedited screening by proceeding directly to the front of the queue at the pre-board security screening checkpoint, resulting in shorter wait times.

Under the expanded program at the four major airports, military personnel and air crews can use these dedicated screening lines.

"At these lines, trusted travellers have access to faster security screening, for instance, not having to remove shoes, belts, hats, light jackets; and keeping permitted liquids, aerosols and gels in carry-on bags," the federal government said in a statement.

The NEXUS program has more than 1.1 million enrolled travelers.

‎Transport Minister Lisa Raitt, who made the announcement with Roxanne James, Parliamentary Secretary to the Minister of Public Safety, is also urging travelers to use a new website, Canada.ca/HolidayTravel‎, to help plan their trip. It offers links to the Current Border Wait Times table as well as Ottawa's Travel Smart app for consular information and assistance abroad.