And all the tunnels are being mapped: Amateur archivist takes on a quest through history — and the D.C. region’s extensive tunnel system October 8 A recreational mapmaker has received a grant from the D.C. Commission on the Arts and Humanities to compile a meticulous anthology of all the tunnels in the District — subway and freight rail tunnels, pedestrian passageways, underground steam tunnels, sewage and water pipelines, and every other type of subterranean thoroughfare he can find. It’s a purely academic exercise, says the mapmaker, Elliot Carter — tunnels are cool, and there’s fascination in knowing where the abandoned ones are located. “Tunnels have kind of become my thing,” Carter said. “I thought it was the neatest thing that all the buildings are knit together in this way that not everybody sees.” continued: https://www.washingtonpost.com/local/trafficandcommuting/amateur-archivist-takes-a-quest-through-history--and-the-dc-regions-extensive-tunnel-system/2018  39e2  /10/08/f320a934-c658-11e8-b1ed-1d2d65b86d0c_story.html?noredirect=on&utm_term=.0ba1ea497b09