DodgingTrains t1_j2by3zz wrote on December 31, 2022 at 2:52 AM Reply to Mystery WMATA/Metro survey markers: Can any intrepid city planners or engineers explain what these discs are (or were) used for? I seem them all over the place, even sometimes away from Metro stops. by LilGeographersRoom The A06 on it indicates that this picture was taken near Van Ness. Can the OP confirm? Permalink 2
DodgingTrains t1_j2by3zz wrote
Reply to Mystery WMATA/Metro survey markers: Can any intrepid city planners or engineers explain what these discs are (or were) used for? I seem them all over the place, even sometimes away from Metro stops. by LilGeographersRoom
The A06 on it indicates that this picture was taken near Van Ness.
Can the OP confirm?