49 CFR 192.707 - Line markers for mains and transmission lines.
(1) At each crossing of a public road and railroad; and
(b)Exceptions for buried pipelines. Line markers are not required for the following pipelines:
(3) Transmission lines in Class 3 or 4 locations until March 20, 1996.
(4) Transmission lines in Class 3 or 4 locations where placement of a line marker is impractical.
(d)Marker warning. The following must be written legibly on a background of sharply contrasting color on each line marker:
(1) The word “Warning,” “Caution,” or “Danger” followed by the words “Gas (or name of gas transported) Pipeline” all of which, except for markers in heavily developed urban areas, must be in letters at least 1 inch (25 millimeters) high with 1/4 inch (6.4 millimeters) stroke.
Title 49 published on 09-Nov-2018 03:42
The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 49 CFR Part 192 after this date.