You're almost certainly correct, and that's the same thought I had.Eon Blue wrote:Maybe the tunnel was added as part of the traffic-sewer-ification of Summit? Compare the USGS map from 1955 with the aerial from 1959 and you can see drastic differences in the street layout. IIRC, the Sanborn maps predate both of those.
Where did 50 highway continue west (or whatever direction it went)? I mean, Johnson Dr doesn't and didn't go on forever. Just curious. Also, was Metcalf once a US highway, maybe 69 and/or 169?aknowledgeableperson wrote:To a degree I would say the same, especially the 50 Highway part.