Tuesday, June 13, 2006
JUNCTION LIGHTS A TECHNICAL UPDATE
ThaTraffic Phasing - Signal Id: 02/029 -HERNE HILL JUNCTION
Thank you for your email of 22 May 2006 regarding the above mentioned traffic signals.
In view of your concern, I passed your comments on to our Directorate of Traffic Operations (DTO). They advised me that recent deterioration in signal timings was due to a fault which disrupted communication between the on-street junction signal controller cabinet (which controls the signals) and the remote Urban Traffic Control (UTC) computer which determines the optimum signal timings at this junction and other signal facilities in the surrounding network.
Our records show the fault unfortunately persisted from the evening of 04 May 2006 to the evening of 20 May 2006. Please accept our apologies for any disruption this may have caused.
The UTC (remote) control has now been re-established, so the southbound Herne Hill movement is receiving 10 seconds more during the green phase. Arrangements are also being made to update the local signal timings, so if communication is lost again, the local timings used will better reflect the normal times.
Thank you again for your email – please accept my apologies for any inconvenience that you experienced as a result of this problem.
Kind regards
Dominic Gibbins Surface Transport Communications
nks to Andrew Malecki for the following information from Tranposrt for London.
ThaTraffic Phasing - Signal Id: 02/029 -HERNE HILL JUNCTION
Thank you for your email of 22 May 2006 regarding the above mentioned traffic signals.
In view of your concern, I passed your comments on to our Directorate of Traffic Operations (DTO). They advised me that recent deterioration in signal timings was due to a fault which disrupted communication between the on-street junction signal controller cabinet (which controls the signals) and the remote Urban Traffic Control (UTC) computer which determines the optimum signal timings at this junction and other signal facilities in the surrounding network.
Our records show the fault unfortunately persisted from the evening of 04 May 2006 to the evening of 20 May 2006. Please accept our apologies for any disruption this may have caused.
The UTC (remote) control has now been re-established, so the southbound Herne Hill movement is receiving 10 seconds more during the green phase. Arrangements are also being made to update the local signal timings, so if communication is lost again, the local timings used will better reflect the normal times.
Thank you again for your email – please accept my apologies for any inconvenience that you experienced as a result of this problem.
Kind regards
Dominic Gibbins Surface Transport Communications
nks to Andrew Malecki for the following information from Tranposrt for London.
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