Page 3820 - Week 10 - Thursday, 14 September 2017

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(3) Is any consideration being given to increasing the number of coordinated traffic signals to improve the flow of traffic; if so, what intersections will be affected and when will the coordinated traffic signal system be implemented.

(4) What is the average dwell time for vehicles stopped at traffic signals in the ACT.

(5) Is priority given to vehicles travelling along arterial roads by providing for a shorter dwell time than for vehicles attempting to enter an arterial road from a minor road.

(6) What is the average repair time for failed or damaged traffic lights.

(7) Is priority given to failed or damaged traffic lights which are located at major intersections.

(8) Are the traffic signals on Commonwealth Avenue, near Albert Street, intended to operate on a permanent or temporary basis; if these traffic signals are temporary, what period or periods are the signals intended to operate.

Ms Fitzharris: The answer to the member’s question is as follows:

(1)

2013-14	262
2014-15	275
2015-16	284
2016-17	291

(2) (a) n/a, (b) n/a, (c) n/a, (d) 203.

Note: data for (2) (a), (b) and (c) is not readily available.

Of the 203 traffic signals that are currently coordinated not all are coordinated all of the time, for example, some are not coordinated during off peak periods when greater flexibility for side road and turning traffic is considered more desirable.

(3) Yes consideration is being given to the implementation /extension of traffic signal coordination along arterial roads such as Horse Park Drive Gungahlin and John Gorton Drive Molonglo.

(4) This statistic is not recorded or reported.

(5) Phase green times at traffic signals are allocated in proportion to the highest traffic density (measured in vehicles per lane) of all vehicle movements that can proceed in the phase. This usually results in longer green phases for traffic on arterial roads.

(6) The contract for traffic signals maintenance requires the contractor to attend the site within one hour of being notified of a major fault. The time taken for repairs varies depending on the nature of the fault.

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