Many city routes will be inaccessible

There will be many road closures this weekend due to Ottawa race weekend events in the 40th anniversary of the annual marathon.

Thousands of runners are expected to participate.

There will also be a closure of Queen Elizabeth Drive between Laurier Avenue and Somerset Street from Friday at 8 a.m. to Sunday at 6 p.m. Saturday, May 24 Laurier Avenue between Metcalfe and Nicholas: 2-9 p.m. Elgin Street between Lisgar and Wellington: 2-7:30 p.m. Elgin Street between Lisgar and Frank: 3:30-4:30 p.m. Elgin Street between Catherine/Queen Elizabeth Drive (QED): 4:30-8:45 p.m. Lisgar Street between Cartier and Elgin: 4:30-7:30 p.m. Elgin Street between Lisgar and Catherine: 6:15-7 p.m. Frank Street between Elgin and QED: 3:45-4:45 p.m. Queen Street between Elgin and O’Connor: 4:30-5:30 p.m. O’Connor between Wellington and Albert: 4:30-5:35 p.m. Catherine Street between QED and Elgin Street: 4:30-8:45 p.m. Wellington between Bank and Colonel By Drive eastbound: 4:30-5:30 p.m. Lakeside: 6-8 p.m. Bronson southbound between Lakeside and Col. By: 6-8 p.m. (lane reductions) Colonel By Drive between Rideau and Main: 4-6:15 p.m. Colonel By Drive between Main and Hawthorne: 4-8:30 p.m. Colonel By Drive between Hawthorne and Bronson: 4-8:45 p.m. Pretoria Bridge: 4:30-8:45 p.m. Argyle between and Elgin and Queen Elizabeth Drive: 6:30-9 p.m. Queen Elizabeth Drive between Somerset and Elgin: 3-9 p.m. Queen Elizabeth Drive between Elgin and Preston: 4-9 p.m. Sunday, May 25 Laurier Avenue between Nicholas and Metcalfe: 5-10 a.m. Laurier Avenue between Nicholas and Elgin: 5 a.m.-3 p.m. Queen Elizabeth Drive between Preston and Elgin: 5-10:45 a.m. Queen Elizabeth Drive between Lawrence Frieman and Laurier: 5 a.m.-6 p.m. Queen Elizabeth Drive between Elgin and Somerset W.: 6 a.m.2:30 p.m. Elgin Street between Lisgar and Slater: 5-10:30 a.m. Elgin Street between Lisgar and Cooper: 6-7:30 a.m. Elgin Street between Lisgar and Catherine: 8:45-9:45 a.m. Lisgar Street between Cartier and Elgin: 6-7:30 a.m. Cooper Street between Elgin and Somerset W.: 7:45-8:30 a.m. Wellington Street eastbound between Elgin and Col. By: 6:30 a.m.-2 p.m. Rideau westbound between Sussex and Mackenzie: 7:30 a.m.-2 p.m. Preston between Q.E. Driveway and Carling: 6:30-10:45 a.m. (northbound lanes) Carling westbound between Preston and Sherwood: 6:45-11 a.m. Carling eastbound at Preston: 6:45-11 a.m. Sherwood Dr. between Carling and Fairmont: 6:15-11:15 a.m. Fairmont Avenue between Sherwood and Wellington: 6:1511:30 a.m. Wellington St. between Fairmont and Island Park Drive: 6:15-11:45 a.m. Richmond Road between Island Park and Athlone: 6:15-9:30 a.m. Athlone between Richmond and Scott: 6:15-9:30 a.m. Sir Frederic Banting and Columbine: 6:30 a.m.-12 p.m. Scott eastbound between Churchill and Island Park: 6:1510 a.m. Scott westbound between Island Park and Parkdale: 6:15 a.m.-12 p.m. Island Park between Scott and Richmond: 8:15-11:45 a.m. Ottawa River Parkway/Wellington between Booth and Island Park: 6:15 a.m.- 12:15 p.m. Booth Street between Wellington and Eddy Street: 6:45 a.m.-12:45 p.m. Eddy Street between Booth and Wright-7-1 p.m. Alexandre Tache between Eddy and Montcalm: 7-12:45 p.m. Alexandre Tache between Montcalm and Scott: 7-10:45 a.m. Scott between Alexandre Tache and Graham: 7-11 a.m. Lac des Fees between Graham and St. Jean Bosco: 7-11 a.m. St. Jean Bosco between Lac des Fees and Lois: 7-11:15 a.m. Lois between St. Jean Bosco and Montcalm: 7-11:30 a.m. Montcalm between St. Joseph and Papineau: 7-11:30 a.m. (southbound lanes only) Montcalm between Papineau and Wellington: 7-11:30 a.m. Montcalm between Wellington and Tache: 7 a.m.-12:45 p.m. Wellington between Montcalm and Laval: 7 a.m.-12:45 p.m. Laval between Promenade du Portage and Hotel de Ville: 7 a.m.-12:45 p.m. Hotel de Ville between Laval and Laurier: 7 a.m.-12:45 p.m. Laurier between Hotel de Ville and des Allumettières: 7 a.m.1:15 p.m. Sussex Drive between York and Rockcliffe Parkway: 6 a.m.-1:30 p.m. Sussex Drive one lane and southbound between York and Rideau: 7 a.m.-1:45 p.m. MacKenzie Avenue between St. Patrick and Rideau: 7 a.m.-1:30 p.m. Rockcliffe Parkway between Princess and Aviation Parkway: 6:45 a.m.-1:30 p.m. Princess Street between Sussex and Lisgar Road: 6:45 a.m.-1:30 p.m. Lisgar Road between Buena Vista and Rockcliffe Parkway: 6:45 a.m.-12:15 p.m. Birch between Sandridge and Hemlock: 6:45 a.m.-12:45 p.m. Hemlock westbound between Birch and Beechwood: 6:45 a.m.-1 p.m. Beechwood westbound between Lansdowne and Acacia: 6:45 a.m.-1 p.m. Beechwood one lane westbound between Acacia and Crichton: 6:45 a.m.-1:15 p.m. Crichton northbound between Beechwood and Dufferin: 6:45 a.m.-1:15 p.m. Dufferin between Stanley and Crichton: 6:45 a.m.-1:15 p.m. Stanley between Dufferin and Sussex: 6:45 a.m.-1:30 p.m. Colonel By Drive: Rideau to Hawthorne Ave.: 6 a.m.-2 p.m. Pretoria Bridge: 6:30 a.m.-2 p.m. Chaudière Bridge: 7 a.m. : 11 a.m. Alexandra Bridge: 7 a.m. : 1 p.m.