| Variable | Description | 
| CROSSING | Crossing ID | 
| Crashes | # of Crashes | 
| LTM | Less than one train movement per day; 1 = yes, 0 = no | 
| MTS | Maximum time table speed | 
| TRKCLS | Track class (1 - 5) | 
| MNS | Minimum train speed | 
| MTK | # of main tracks | 
| OTK | # of other tracks | 
| WDCD | Warning device code 1 = no signs or signals, 2 = other signs or signals, 3 = crossbucks, 4 = stop signs, 5 = special active warning devices, 6 = wigwags, bells 7 = flashing lights, 8 = all other gates (two and three quadrant gates*), 9 = four quadrant (full barrier) gates | 
| BL | # of bells | 
| NS | 1 = no signs or signals; 0 = at least one sign or signal | 
| SGEQ | Is track equipped with train signals? 1 = yes, 0 = no | 
| OS | Development type open; 1 = yes, 0 = no | 
| RS | Development type residential; 1 = yes, 0 = no | 
| COM | Development type commercial; 1 = yes, 0 = no | 
| INDUS | Development type industrial; 1 = yes, 0 = no | 
| INST | Development type institutional; 1 = yes, 0 = no | 
| STPL | If stop lines are present; 1 = yes, 0 = no | 
| RRX | If rail road crossing symbol is present; 1 = yes, 0 = no | 
| NMK | If there are no pavement markings; 1 = yes, 0 = no | 
| STPL | If there are stop lines and rail-road crossing signals; 1 = yes, 0 = no | 
| L75 | If the highway is less than 75 ft away; 1 = yes, 0 = no | 
| B200-500 | If the highway is in the vicinity of 200 to 500 feet; 1 = yes, 0 = no | 
| B75-200 | If the highway is in the vicinity of 75 ft to 200 feet; 1 = yes, 0 = no | 
| NHWY | If there is no highway nearby; 1 = yes, 0 = no | 
| TRFLN | # of trafficlanes | 
| STHWY | Is crossing on state highway? 1 = yes, 0 = no | 
| AADT | Average annual daily traffic | 
| PCTRK | % of truck traffic | 
| SCHLB | Average number of school buses passing through the crossing on a school day | 
| WHISTB | If there is a whistle ban; 1 = 24 hr, 0 = no ban | 
| TTRN | Total number of trains | 
| TSWT | Total number of switching trains | 
| XBUCK | # of crossbucks | 
| GT | # of gates | 
| FLP | # of flashing light pairs | 
| HWYSP | Posted highway speed limit |