| 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 |