Seattle Police officer Timothy Brenton was murdered Halloween night when an unknown assailant pulled up next to his parked patrol car and shot him.

A flag was raised over the Space Needle this morning to recognize his loss and the city is hosting a public memorial tomorrow at 1 pm at Key Arena at the Seattle Center. Doors will open at 11 am.

Prior to the memorial service, there will be a memorial procession departing at 9 am from the E-1 parking lot at UW, just north of Husky Stadium, travelling South on Montlake Boulevard NE to 24th Avenue E, South on 24th Avenue E to 23rd Avenue Em South on 23rd Avenue E to E Madison Street, West on E Madison Street to E Pine Street, West on E Pine Street to Broadway Avenuem North on Broadway Avenue to E Denny Way, -West on E Denny Way to 1st Avenue N, and North on 1st Avenue N to Mercer Street where the Key Arena is located. SDOT has prepared a map of the procession, available here.

There will be about 1,000 to 1,500 vehicles participating in this procession, causing huge delays along the route. Drivers, be prepared in advance for long waits and try to find alternate routes where you can. Parking will be prohibited along the procession route while it is taking place and 1st Ave N between Denny and Mercer, and Mercer between 1st and 5th. Bus riders take note that you’ll have significant delays and reroutes as well. Metro is working on preparing a notice for bus riders that should be up later today at their site.