When entering a freeway, adjust your speed to the flow of traffic in the acceleration lane and enter smoothly at the same speed. Vehicle on left prepares to merge between two cars moving at 40 m.p.h. Photo dated: June 8, 1957.
If you're wondering about permissions and what you can do with this item, a good starting point is the "rights information" on this page. See our terms of use for more tips.
Share your story
Has Calisphere helped you advance your research, complete a project, or find something meaningful? We'd love to hear about it; please send us a message.