Tranz Rail Radio Frequencies
| Channel No | Receive | Transmit | Area | Use New Zealand | Use Wellington Area | Palmerston Nth Area |
| 1 | 153.45625 | All New Zealand | Loco Engineer to | A Box, Petone, | ||
| Train Manager | Woburn, Taita, Porirua | |||||
| Passenger Trains. | Upper Hutt, Paraparaumu | |||||
| Also Local Signal | West Car Yard | |||||
| Box | ||||||
| 2 | 151.95 | 153.73125 | All New Zealand | Train Control | Takapu Rd - Otaki | |
| 3 | 152.05 | 153.83125 | All New Zealand | Train Control | Kaikoura - Wharanui | |
| 4 | 152.35 | 154.13125 | All New Zealand | Train Control | Johnsonville Line | Otaki-Marton-Woodville |
| Loco Radio test | ||||||
| 5 | 150.8875 | All New Zealand | Protection | |||
| 20 | 489.99375 | Wellington Yard | ||||
| 21 | 470.99375 | Wellington Yard | ||||
| 22 | 471.50625 | Wellington Yard | ||||
| 23 | 471.99375 | Wharf Shunt | ||||
| 24 | 476.00625 | |||||
| 25 | 476.14375 | Wellington Yard | ||||
| 26 | 476.16875 | |||||
| 27 | 476.20625 | |||||
| 28 | 489.26875 | Wellington Yard | ||||
| 29 | 489.29375 | |||||
| 30 | 489.33125 | |||||
| 31 | 489.35625 | Staff Training Woburn | ||||
| 32 | 489.40625 | Car Yard Shunt, Well | ||||
| 33 | 478.13125 | 472.14375 | Dunedin | |||
| 35 | 479.66875 | 473.68125 | Dunedin | |||
| 37 | 481.16875 | 475.18125 | Dunedin | |||
| 41 |
455.52500 |
450.4875 | ||||
| 42 | 453.4875 | Hutt Shops Internal | ||||
| 45 | 453.4375 | All New Zealand | Loco Engineer to | Operation Controller | ||
| Assistant for | to Loco Engineer & | |||||
| Two man crews | A Box | |||||
| Freight Trains | ||||||
| 46 | 453.5625 | All New Zealand | Lynx Loading | Signal Box to train crew | ||
| 51 | 489.46875 | |||||
| 52 | 476.03125 | |||||
| 53 | 476.09375 | |||||
| 54 | 476.30625 | |||||
| 55 | 489.49375 | |||||
| 56 | 489.43125 | Car Yard Shunt | ||||
| 71 | 481.66875 | 475.68125 | West Coast F Band Maintanence | |||
| 72 | 481.70625 | 475.71875 | West Coast F Band Maintanence | |||
| 73 | 481.73125 | 475.74375 | West Coast F Band Maintanence | |||
| 74 | 481.78125 | 475.79375 | West Coast F Band Maintanence | |||
| 75 | 481.64375 | 475.65625 | West Coast F Band Maintanence | |||
| 76 | 481.64375 | 475.65625 | West Coast F Band Maintanence | |||
| 77 | 472.55625 | Nation Wide Amicus Reporting | ||||
| 78 | 478.54375 | Nation Wide Amicus Reporting | ||||
| 81 | 453.3625 | Ferry | Aratere/Arahura | |||
| Loading | ||||||
| 82 | 453.5125 | Well Box | ||||
| 83 | 453.5375 | |||||
| 84 | 455.2125 | Auckland Only | ||||
| 85 | 489.54375 | |||||
| 86 | 489.89375 | |||||
| 87 | 455.325 | 450.2875 | Hamilton Only | |||
| 88 | 478.29375 | 472.30625 | Aratere Radio System | Aratere Radio System | ||
| 89 | 153.55625 | Murupara | ||||
| 90 | ||||||
| 91 | 150.5625 | Palmerston North | ||||
| 92 | 150.7125 | Auckland/Te Rapa | ||||
| 93 | 153.43125 | Auckland/Wellington | ||||
| 94 | 153.48125 | |||||
| 95 | 153.50625 | Wellington/Te Rapa | Wellington Wharf | |||
| 96 | 151.55 | 155.73125 | Midland Backup | |||
| 97 | 151.55 | 155.73125 | Canterbury Regional Council | |||
| 98 | 151.775 | 155.95625 | Kawerau | |||
| 99 | 152.9 | 154.68125 | Midland Backup | |||
| 425.15 | 420.1375 | Train Control | Wellington-Masterton | |||
| 425.65 | 420.6375 | Train Control | Wellington-Otaki | |||
| 429.875 | 424.8625 | |||||