Positive Train Control (PTC) is currently being installed on the Brush Subdivision and is supposed to be in full use by the middle of 2013. PTC came from a few different federal laws. The Rail Safety Improvement Act of 2008 along with later additions from the Federal Railroad Association; 49 CFR, 229, 234, 235 and 236. PTC is to be completed by the Class I railroads by December 31, 2015.