92 Ill. Adm. Code 1500.210
High Passenger Platforms
Section 1500
Section 1500.210 High
Passenger Platforms
Platforms approximately level
with passenger car floors may be constructed and maintained with faces less
than 8 feet from the centerline of a subsidiary track used solely for passenger
service, provided the coaches served by such platforms are equipped with
platform gates which are kept closed while the train is in motion.