49 C.F.R. § 192.185 Vaults: Accessibility.
Title 49 - Transportation
Each vault must be located in an accessible location and, so far as practical, away from: (a) Street intersections or points where traffic is heavy or dense; (b) Points of minimum elevation, catch basins, or places where the access cover will be in the course of surface waters; and (c) Water, electric, steam, or other facilities.
Title 49: Transportation
PART 192—TRANSPORTATION OF NATURAL AND OTHER GAS BY PIPELINE: MINIMUM FEDERAL SAFETY STANDARDS
Subpart D—Design of Pipeline Components
§ 192.185 Vaults: Accessibility.
