1 June 2016Demonstration to cause downtown traffic delays Thursday_ (press release) _ (Ottawa) - The Ottawa Police Service would like to inform the public that traffic disruptions are expected in the downtown core on Thursday, June 2nd as a demonstration is scheduled to take place from approximately noon to 3:00pm.The traffic concerns will affect roads around the Parliament Hill and Jacques Cartier Park.This will also affect bus routes in the area.Commuters are asked to use alternate routes when possible.