Many bus lines were rerouted. The closure caused major backups into downtown L.A. Tuesday morning, with some commuters reporting delays of up to 50 minutes getting into the civic center area.

Some of the traffic closures will continue through 2 p.m.

Here are details about the memorial:

TRAFFIC

The funeral procession will start at the new LAPD headquarters and end at the Cathedral of Our Lady of the Angels. Portions of 1st Street, Broadway, Spring Street, Temple Street, Hill Street, and Grand Avenue will be closed as early as 6 a.m., according to the LAPD.

TRANSPORTATION

Metro bus service in downtown Los Angeles will be affected. A funeral procession will begin at 8:45 a.m. at the Police Administration Building, located at 100 W. 1st St., and will proceed to the Cathedral of Our Lady of the Angels at 555 W. Temple St. Numerous Metro bus lines in the Civic Center area will be detoured from 6 a.m. to 2 p.m., at which time bus service will return to its regular schedules. Metro bus lines affected by the detours will include: 2, 4, 10, 14, 30, 31, 37, 40, 42, 42A, 45, 48, 55, 60, 68, 70, 71, 76, 78, 79, 81, 83, 84, 90, 91, 92, 94, 96, 302, 333, 355, 439, 445, 485, 487, 489, 714, 730, 740, 745, 770, 794 and Silver Line, according to the L.A. Department of Transportation.

-- Shelby Grad

California's War Dead database: Read more than 100 memories shared by Cottle's friends and family on his memorial page. Share your own memories and learn more about his life and the lives of more than 580 other men and women from California who have died while supporting the wars in Afghanistan and Iraq.

Photos: Emily Cottle, wife of LAPD Officer Robert J. Cottle, carries their 9-month-old daughter, Kaila Jane, as she, family members and LAPD officers, pictured at top, walk behind his casket, pictured at right. Credits: Irfan Khan / Los Angeles Times