49 C.F.R. § 213.361 Right of way.
Title 49 - Transportation
The track owner in Class 8 and 9 shall submit a barrier plan, termed a “right-of-way plan,” to the Federal Railroad Administration for approval. At a minimum, the plan will contain provisions in areas of demonstrated need for the prevention of— (a) Vandalism; (b) Launching of objects from overhead bridges or structures into the path of trains; and (c) Intrusion of vehicles from adjacent rights of way.
Title 49: Transportation
PART 213—TRACK SAFETY STANDARDS
Subpart G—Train Operations at Track Classes 6 and Higher
§ 213.361 Right of way.