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Hidden Bridges
District of Columbia —
Bridge and tunnel entrance. The dataset contains polygons representing planimetric bridge and tunnel entrances, created as part of the DC Geographic Information System... -
Bridge and Tunnel Entrances 1999
District of Columbia —
Bridges, overpasses, tunnel entrances, and underpasses captured in 1999. This dataset was collected as part of the planimetric mapping project. Hidden features were... -
Bridge and Tunnel Entrances 2019
District of Columbia —
Bridge and Tunnel Entrance. The dataset contains polygons representing planimetric bridge and tunnel entrances, created as part of the DC Geographic Information System...