Verso: blue pen note "Police at Left Keep eye on Berkeley Aquatic Park slow Traffic went by", 3 purple stamps "Howard Erker, May 10 1972, May 11, 1972". Image: This is a photograph taken from the University Avenue overpass looking towards Oakland. All lanes are filled with traffic. The offramp on the left has many parked motorcycles and police officers standing on the pavement. One is motioning to a driver who is trying to exit. On the left there are two dump trucks parked and a police car just visible in the foreground. The cars moving towards the camera include a Corvair, a Ford pickup truck, and a Kilpatrick's delivery truck. In the median beyond there is the freeway sign for Ashby Ave, Walnut Creek, Highway 13, with the exit signs visible to the right. A factory with a smoke stack is on the left in the background. There are other buildings visible, including two structural skeletons of new highrises.