Traffic light phasing and lane marking incongruent

Reported in the Road/highway category anonymously at 23:37, Fri 11 January 2013

Sent to Auckland Transport 24 sec later.

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At Sandringham Road Extension's northbound approach to its intersection with Mount Albert Road, there are two lanes, the left lane for left-turn and straight-through traffic, and the right lane for straight-through and right-turn traffic. However, the traffic light phasing is a leading right-turn followed by through and left-turn traffic, with no right-turn filtering allowed. This causes very inefficient right-turns as only one or two cars (or none!) can turn right before a straight-through car blocks the right-turn lane, wasting the rest of the right-turn phase. When, later on, straight-ahead cars get a green, those in the right-hand lane get held up by right-turn cars facing a red right-turn light, and then have to merge left, further disrupting flow. It is also very dangerous for bikes waiting to turn right in the right-lane cycle advance box as drivers may rear-end them while proceeding straight through. It is suggested that the phasing be changed to allow left-turns, straight-through, and right-turns simultaneously, then forbid right turns (with a red right-arrow light) to allow southbound traffic to proceed. This is the case for east-west traffic on Mount Albert Road, anyway, which seems to flow much better, given such a small intersection. (resend after original email bounced.)

Updates

Email delivery to contactus@aucklandcouncil.govt.nz failed; email address not found. 1) This should be sent to Auckland Transport, surely? 2) Guess Auckland Council got fed up with us :)
AT has emailed to say they're (already) doing a feasibility study on providing a dedicated right-turn lane for north-bound traffic with the current phasing, or, as a less-preferred alternative, operating the north- and south-bound traffic separately. Good to know they knew there was a problem here.

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