Photograph of automobiles on the Bayshore Freeway, San Francisco, June 17, 1959. Automobiles can be seen on a freeway running from bottom right towards the left background. A divider at center separates the lanes of cars traveling in opposite directions. Each side of the freeway contains four lanes. Bushes and other foliage can be seen on the right shoulder. A sign reading "Right Lane Must Keep Right" can be seen at right. Homes are visible into the background on hills. An overpass is visible across the freeway in the left background.