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On bus lanes, with Katy Gallagher

By johnboy 17 February 2012 29

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Chief Minister Gallagher has weighed in on the bus lane v T2 debate (bearing in mind that the “one nation on wheels” courting Liberals are mad keen for T2’s).

Katy is citing research purportedly hidden somewhere on the TAMS website, showing T2’s are kind of useless, but bus lanes are grand!

“Surveys undertaken during the morning peak period along Barry Drive, show that 1800 people were being moved in 31 buses along the corridor between 7.45 am and 9.15 am. This made up around 25% of all people travelling during that period, with that figure expected to increase over time.

“What the AECOM review found is that the installation of a T2 lane would reduce the average speed of a bus, thus reducing its attractiveness as a transport option, which potentially could lead to more cars on the road, not less,” the Chief Minister said.

The report recommends the development of guidelines for the appropriate location and uses for transit and bus lanes across the Territory which take into consideration factors such as traffic safety, congestion and transport sustainability.

“The report shows that it is too simplistic for people to look at a bus lane and say it looks empty, when in actual fact it carries a significant proportion of people – and in quicker time than adjacent traffic lanes.

“For example, on Adelaide Avenue, the report found that the T2 lane provides less than a 15 second benefit to motorists in peak periods.

“The report also confirmed there were potential issues with drivers merging in and out of the Adelaide Avenue transit lane and additional safety measures which will need to be investigated,” the Chief Minister said

UPDATE: Thanks the TAMS staff for pointing us at the report


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On bus lanes, with Katy Gallagher
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gooterz 6:50 pm 05 Apr 13

15 seconds?

How many minutes does the lights at Kingsley St add to the bus?

Buses have to stay left, then only trigger the lights when they get to the lights to BLOCK ALL OTHER TRAFFIC to turn right.

IF they want to make the buses go faster why do they keep adding useless stops?

Tenpoints 5:53 pm 05 Apr 13

^^Erk, sorry that was meant for the other thread, please delete.

Tenpoints 5:49 pm 05 Apr 13

Alderney said :

Rule 77 only applies to a bus leaving a bus stop.

Merging is rule 149.

They have no ‘right’ to barge in in any other circumstance.

Interestingly, I’ve noticed that to enter these ‘bus lanes’ the bus needs to cross an unbroken line. At least they do at Athllon & Hindmarsh going towards Woden.

So, are they legally entitled to enter the lane?

77 Giving way to buses

(1) A driver driving on a length of road in a built-up area, in the left lane or left line of traffic, [b]or in a bicycle lane on the far left side of the road, must give way to a bus in front of the driver if:
[b](a) the bus has stopped, or is moving slowly, at the far left side of the road, on a shoulder of the road, or in a bus-stop bay[/b], and
(b) the bus displays a give way to buses sign and the right direction indicator lights of the bus are operating, and
(c) the bus is about to enter or proceed in the lane or line of traffic in which the driver is driving.

Rule 77 applies in the above case, that is a bus leaving the far left side of the road, whether designated bus stop or not.

Not sure on whether they are legally allowed to cross unbroken lines to enter into the bus lane, but if it’s the only way to physically move you bus into the lane is by doing just that then I would hazard a guess that… yes?

chewy14 12:25 pm 20 Feb 12

davo101 said :

chewy14 said :

And can you point out exactly where in the report it says that having three lanes open provides a 15 sec benefit to cars compared to two lanes?

Table 17 page 38. Travelling at the speed limit it would take a driver 184.5 seconds to travel 4.1 km. According to the survey it takes an average of 201.2 seconds. So if you had an unlimited number of lanes available the average trip time would fall by 16.7 seconds (provided every driver could maintain an average equal to the speed limit).

An unlimited number of lanes isn’t three lanes.

Winter said the benefit was from two lanes to three lanes. I can’t find that in the report.

davo101 11:19 am 20 Feb 12

chewy14 said :

And can you point out exactly where in the report it says that having three lanes open provides a 15 sec benefit to cars compared to two lanes?

Table 17 page 38. Travelling at the speed limit it would take a driver 184.5 seconds to travel 4.1 km. According to the survey it takes an average of 201.2 seconds. So if you had an unlimited number of lanes available the average trip time would fall by 16.7 seconds (provided every driver could maintain an average equal to the speed limit).

Innovation 10:52 am 20 Feb 12

I think the hour glass scenario is a good explanation. However, if adding a few extra vehicles will not impede bus flow significantly then I don’t see the problem. If T2 does cause a problem (now or ever in the future) then make the lane T3 and so on. At least the lane’s fundamental purpose of moving commuters in bulk would be achieved.

#23 Aenveigh – according to my brief read of the report, the concept of T4 doesn’t exist in Aus national road rules. The fact that it doesn’t exist yet seems a pretty odd reason to permanently dismiss it. What about other multi occupant vehicle concepts such as T5, T6 or T7? Anything would be better than nothing.

Aenveigh 9:30 am 20 Feb 12

Road_Monkey said :

In other cities T2 lanes are widely used as they are the best solution.

Many cities have started with T2 but are beginning to make them T3, T4 or transit-exclusive as congestion worsens. There’s no harm in starting as bus-only if the figures add up, which it seems like they do on that corridor.

Given that statistic that 1 bus lane carries 48% of all people travelling to Civic should show the value of transit to car congestion. There’s a similar stat that the bus lane on the Syd Harbour Bridge carries more people than the other 7 lanes combined. Transit only lanes increase capacity, they don’t make it worse.

Aeek 3:31 pm 19 Feb 12

Road_Monkey said :

Remember that there are many more motorists registered to vote than bus commuters.

I drive way more than I catch the bus, and can see that making the Barry bus lane a T2 is worse than useless. It will just shift the problem towards the City where it is already more complicated.

Freeing up the GDE is doing wonders for Parkes Way!

Road_Monkey 12:58 pm 19 Feb 12

I suppose AECOM are producing a report stating what the government wants to hear since the government funded the report. I like the comment about T2 lanes slowing down the buses. I notice when I drive along Adelaide Avenue the buses do well over 80kph. My speedo shows 83kpk, my GPS indicates 80kph and the buses just zoom by. Sounds like they want the buses to speed and break the law or are buses exempt from speed limits?

In other cities T2 lanes are widely used as they are the best solution.

Watch Katy back pedal if this starts to look unpopular on the lead up to the election. Remember that there are many more motorists registered to vote than bus commuters.

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