OpenStreetMap
clay_c
- Mapper since:
- April 27, 2009
- Last map edit:
- November 09, 2025
Hi, I’m Clay. Texan by birth, Hoosier by heritage, Chicagoan nowadays. Rail, transit and pipeline mapper. Community forum moderator for the US Subcategory, and maintainer of OpenStreetMap Americana. ðŸ³ï¸â€ðŸŒˆ
I’ve worked for WattTime, Global Energy Monitor (GEM) and Wonder, and my edits for them are under the accounts clay_c@watttime, clay_c@gem and clay_c@wonder, respectively.
Always happy to help; send me a message! You can also find me on the OSM-US Slack: join here.
Latest Diaries
Diary Entry Mapping Pipelines from U.S. Government Data
Pipelines are notoriously tough to map. They lie mostly underground, often with little to no visible trace on aerial imagery. What may look like a ...
Diary Entry Is an underground train station a building?
Not too long ago, I lived in San Francisco and frequently took the Muni light rail as well as BART in and out of the stations along Market Street. ...
Diary Entry The case for highway=trunk on Texas frontage roads
You can tell where someone’s from in Texas by what they call that smaller road parallel to the highway. A Dallasite may call it a service road, a S...