OAR 741-310-0010: In General

(1) Except as otherwise provided, all side clearance shall be at least 8 feet 6 inches, as measured from centerline of track. (2) The side clearances set forth in these rules are minimum requirements established for employee safety. Nothing in these rules shall prohibit a railroad from requiring greater clearances. (3) See Figure 305-1 and Figure 310-1 for diagrams of the minimum side clearances. [ED. NOTE: Figures referenced are available from the agency.]