Alberta Premier Jason Kenney is calling for an immediate end to a truck convoy that’s blockaded a highway at a busy Canada-U.S. border crossing as part of a national protest against COVID-19 mandates and restrictions, saying that the blockade violates Alberta’s Traffic Safety Act.. The Canada Border Services Agency said the border crossing at Coutts, Alta., has remained open despite the blockade on Highway 4, but the RCMP says only foot traffic is able to get through. “As I said last week, Canadians have a democratic right to engage in lawful protests. I urge those involved in this truck convoy protest to do so as safely as possible, and not to create road hazards which could lead to accidents or unsafe conditions for other drivers,” Kenney said on Jan. 30 in a statement from Washington, D.C., where he is attending a National Governors Association meeting. The convoy, which set up …