The NPMS Public Viewer iPhone app, developed by US DOT PHMSA, allows the user to view hazardous liquid and gas transmission pipeline maps. The user can see who operates a pipeline, what it transports, and who to contact for further information. A user may choose one county’s pipelines or the pipelines closest to the user’s current location. For more information about the NPMS, go to www.npms.phmsa.dot.gov.
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