CHAPTER III: ILLINOIS COMMERCE COMMISSION
SUBCHAPTER c: RAIL CARRIERS
PART 1500 MINIMUM CLEARANCES APPLICABLE TO TRACKS, STRUCTURES, FIXTURES AND OTHER APPURTENANCES OF RAILROADS
SUBPART A: GENERAL RULES
SUBPART B: STEAM RAILROADS: TRACK CENTERS
SUBPART C: STRUCTURAL CLEARANCES
SUBPART D: ELECTRIC INTERURBAN RAILROADS: TRACK CENTERS
SUBPART E: ELECTRIC INTERURBAN RAILROADS: STRUCTURAL CLEARANCES
SUBPART F: STREET RAILROADS
SUBPART G: CLEARANCE PROCEDURE
