| FEATURES | RT-I | RT-II | RT-III | RT-IV |
| Welded Steel frame |  | | | |
| Flip-Up Sign Mechanism | a | | | |
| Plastic Sign Standard | | |||
| Aluminum Sign Standard | | | | |
| Optional Reflective Sign | | | | |
| Adjustable Sign Angle | | | ||
| Twin Beacons | | | | |
| Lightbar | | | ||
| Flag Holders | | | | |
| CB Antenna Mounts | | | | |
| Safety Director Mounts | | | | |
| Width | 72 | 74 | 74 | 74 |
| Length | 13 1/2 | 17 | 17 | 17 |
| Heigth | 9 | 9 | 10 | 10 |
| Width of mounting channels | 34" *OC | 34" *OC | 34" *OC | 34" *OC |
| Base price, no lights included | $356 | $426 | $515 | $565 |
| Price with ECCO Halogen Beacons | $495 | $575 | $694 | |
| Price with ECCO Halogen Lightbar | $944 | $994 | ||
| Price with BOTH | $1123 |