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SC143 CRIANLARICH TO OBAN
RADIO ELECTRIC [SIC] TOKEN BLOCK (RETB) NEXT GENERATION FROM 0500 HOURS ON THURSDAY 31 MARCH 2016 The next generation RETB system will be brought into use from 0500 on Thursday 31st March 2016. Existing RETB channel change boards located throughout the route are no longer required and will be removed over the course of a week, from 31st March. RETB Next Generation changes the radio frequencies, making existing Transportable Token Units (TTU) obsolete. Your attention is drawn to the Table A published in Section D of this notice. |
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