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| ENV | Enhanced Night Visibility |
| IR | infrared |
| RRPM | raised retroreflective pavement marker |
| UV–A | ultraviolet A (wavelength 315 to 400 nanometers) |
| VES | vision enhancement system |
| FIR | far infrared |
| five UV–A | five UV–A headlamps |
| HID | high intensity discharge |
| HLB | halogen (i.e., tungsten-halogen) low beam |
| HOH | high output halogen |
| hybrid UV–A | hybrid UV–A/visible output |
| IR–TIS | infrared thermal imaging system |
| NIR | near infrared |
| three UV–A | three UV–A headlamps |
| ft | feet |
| km/h | kilometers per hour |
| lux | lx |
| m | meters |
| mi/h | miles per hour |
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