text: find illinois vehical code for railroad crossings?   an amendment made to the vehicle code about railroad crossings is at http://www.ilga.gov/legislation/publicacts/pubact92/acts/92-0098.html  specifically, it's about "an  automated railroad  grade  crossing  enforcement  system  is  a  system operated  by a law enforcement agency that records a driver's response  to  automatic,  electrical  or  mechanical   signal devices  and crossing gates"