In Baltimore, a "second train coming" warning system decreased the frequency of the most common risky behavior at crossings (i.e., drivers that crossed the tracks after the protection gates began to ascend from the first train before the protection g In a suburb of Baltimore, the Maryland Mass Transit Administration installed a "Second Train Coming" warning system at a dual track light-rail train crossing on Timonium Road. Using existing trackā¦ Content type Benefit Date Posted 05/16/2008 Taxonomy (ARC-IT) In-Vehicle Signage (TI07), Standard Railroad Grade Crossing (TM13), Advanced Railroad Grade Crossing (TM14) Geolocation links Timonium, Maryland, United States