Canadian Forces Snowbirds Air Show Street Closure The City of Moncton wishes to advise the motoring public of a street closure to accommodate the Canadian Forces Snowbirds Air Show. From 7 a.m. on Saturday, June 17 to 6 p.m. on Sunday, June 18, there will be a full closure of Downing Street from Sommet Lane to Assomption Boulevard, leaving both intersections open to traffic. The City apologizes for any inconvenience this may cause and encourages the public to attend the air show. Information Communications, City of Moncton communications [at] moncton.ca.