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Concrete Islands at the New Traffic Lights in Holt – Logic please?!!!

By Chups - 21 August 2012 27

Why have the concrete islands at the new traffic lights in Holt been installed in a manner that forces all traffic heading East on Southern Cross Drive to merge down to one lane before those cars wanting to turn left into Florey Drive can exit into the very short slip lane?

Why did they not keep the longer slip lane, facilitating better traffic flow for those cars turning left into Florey Drive?

To my mind, the following implications apply:

    — No-one will be able to turn right out of Starke Street at peak times. Traffic will be backed up past the Starke Street/Southern Cross Intersection when the lights are red.

    — No-one will be able to turn right out of Beaurepaire Crescent at peak times. Drivers trying to avoid the traffic jam at the new traffic lights will turn up Beaurepaire Crescent creating a constant line-up of cars turning off Southern Cross Drive. When really busy, traffic will possibly be backed up past this intersection as well when the lights are red.

    — Once the back-log of east-bound cars are cleared, drivers waiting to turn right out of Starke Street and Beaurepaire Crescent will then have to wait for the west bound traffic to pass that has just been given the green light.

The EIS into the first stage of New Macgregor showed an increase in traffic on Spofforth Street from 1200 to 5200 vehicles a day. Now that the 13 speed bumps have been installed on Spofforth Street, most of these vehicles (which probably number even more now that Stages 2 and 3 have been completed) are all travelling down Southern Cross Drive.  That’s a lot of cars travelling through the new bottle neck each day.

What’s Your opinion?


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27 Responses to
Concrete Islands at the New Traffic Lights in Holt – Logic please?!!!
PBO 9:38 am 22 Aug 12

Chups said :

Ex- Warrier, I think I can explain a bit what happened with Spofforth Street. When West Macgregor was being built, all of the construction traffic was going along Spofforth St. A number of residents kept logs which showed a double trailer truck went up/down the street every 5 minutes from 8am to 6pm. Those logs were submitted to TAMS along with a petition that was signed by every resident on the street asking for the trucks to be taken off the street and directed down Southern Cross Drive (the primary road they were legally supposed to be using anyway) due to the noise created and dangerous speed the fully laden trucks were traveling. This eventually happened which was great and everyone was happy with the outcome as no-one had any issue with the cars, just the massive trucks. However, the ACT Govt then did a street speed analysis and found that 15% of daily traffic was traveling at 75kph or higher. As Spofforth St is a 50kph zone the Govt then decided to install the (perhaps over enthusiastic) 13 speed bumps. I would contend that the changes to Spofforth Street were not driven by NIMBYism but by safety. However, your guess is as good as mine regarding who subsequently decided that 13 speed bumps were necessary. Who knows, that may have indeed been a berry good idea! I would suspect though that the residents who have to use the road every day like them the least of anyone.

Thanks for clearing that up Wayne.

wildturkeycanoe 6:51 am 22 Aug 12

Don’t worry people, once the lights are in operation, you’ll see the traffic flow continue to behave exactly the way it was when the “lollipop” people were directing it.

JC 6:05 pm 21 Aug 12

shirty_bear said :

Ex Warrior said :

Traffic along Southern Cross far heavier than prior to the ridiculous speed humps on Spoffoth.

Can somebody pls explain the thinking behind keeping Spoffoth and DrakeBrockman free of traffic?

Previous best guess was that someone (self-)important lives on Spofforth, and produced this triumph of NIMBY-ism just because they felt like it. And because they could.

Seems about right.

I believe either past or current MLA lives on Spofforth Street.

Chups 4:16 pm 21 Aug 12

Ex- Warrier, I think I can explain a bit what happened with Spofforth Street. When West Macgregor was being built, all of the construction traffic was going along Spofforth St. A number of residents kept logs which showed a double trailer truck went up/down the street every 5 minutes from 8am to 6pm. Those logs were submitted to TAMS along with a petition that was signed by every resident on the street asking for the trucks to be taken off the street and directed down Southern Cross Drive (the primary road they were legally supposed to be using anyway) due to the noise created and dangerous speed the fully laden trucks were traveling. This eventually happened which was great and everyone was happy with the outcome as no-one had any issue with the cars, just the massive trucks. However, the ACT Govt then did a street speed analysis and found that 15% of daily traffic was traveling at 75kph or higher. As Spofforth St is a 50kph zone the Govt then decided to install the (perhaps over enthusiastic) 13 speed bumps. I would contend that the changes to Spofforth Street were not driven by NIMBYism but by safety. However, your guess is as good as mine regarding who subsequently decided that 13 speed bumps were necessary. Who knows, that may have indeed been a berry good idea! I would suspect though that the residents who have to use the road every day like them the least of anyone.

Jim Jones 3:20 pm 21 Aug 12

Heavs said :

shirty_bear said :

Ex Warrior said :

Traffic along Southern Cross far heavier than prior to the ridiculous speed humps on Spoffoth.

Can somebody pls explain the thinking behind keeping Spoffoth and DrakeBrockman free of traffic?

Previous best guess was that someone (self-)important lives on Spofforth, and produced this triumph of NIMBY-ism just because they felt like it. And because they could.

Seems about right.

Berry good answer.

Wayne the world would you say Berry?

Heavs 3:09 pm 21 Aug 12

shirty_bear said :

Ex Warrior said :

Traffic along Southern Cross far heavier than prior to the ridiculous speed humps on Spoffoth.

Can somebody pls explain the thinking behind keeping Spoffoth and DrakeBrockman free of traffic?

Previous best guess was that someone (self-)important lives on Spofforth, and produced this triumph of NIMBY-ism just because they felt like it. And because they could.

Seems about right.

Berry good answer.

shirty_bear 2:57 pm 21 Aug 12

Ex Warrior said :

Traffic along Southern Cross far heavier than prior to the ridiculous speed humps on Spoffoth.

Can somebody pls explain the thinking behind keeping Spoffoth and DrakeBrockman free of traffic?

Previous best guess was that someone (self-)important lives on Spofforth, and produced this triumph of NIMBY-ism just because they felt like it. And because they could.

Seems about right.

p1 2:33 pm 21 Aug 12

Ex Warrior said :

Can somebody pls explain the thinking behind keeping Spoffoth and DrakeBrockman free of traffic?

Because Spofforth and Drake Brockman are 60km/h zones, and Southern Cross is a…. ummm… errr… 60km/h zone? Although it is wider… except where it is narrow and has busy intersections. and Spofforth and DB have residential houses along them… like much of Southern Cross.

Actually, no, I can’t tell you.

Ex Warrior 1:59 pm 21 Aug 12

Traffic along Southern Cross far heavier than prior to the ridiculous speed humps on Spoffoth.

Can somebody pls explain the thinking behind keeping Spoffoth and DrakeBrockman free of traffic?

54-11 12:59 pm 21 Aug 12

I cannot understand traffic “engineers” in this city. It seems as though they have no idea of how things work on the ground. Everything is done from their office and reality never intrudes into their thought processes.

I had a discussion with one of the foreign-trained “engineers” a few years ago and suggested he come and stand on the side of the road with me and observe what was actually happening.

He wasn’t interested in seeing that what he had done had actually stuffed things up far worse than the original problem.

Thumper 12:58 pm 21 Aug 12

p1 said :

Don’t worry, when this approach fails, they will move onto the next cheapest option on the list.

I’m pretty sure this is the major thinking.

Jim Jones 12:43 pm 21 Aug 12

p1 said :

Don’t worry, when this approach fails, they will move onto the next cheapest option on the list.

+1

Chop71 12:25 pm 21 Aug 12

A ring road around the golf course onto William Hovell would help remove traffic. Probably should link it up with Dunlop while they are at it.

It’s only going to get worse as more and more houses are added to those new suburbs.

p1 11:52 am 21 Aug 12

Don’t worry, when this approach fails, they will move onto the next cheapest option on the list.

caak 11:19 am 21 Aug 12

Same issue on Baldwin Drive Kaleen, right turn into Maribyrnong Ave. (new Lawson intersection). Traffic Island forces a very short right turning lane in a semi high speed area. Only a matter of time before the rear end prang happens in heavy traffic. Very poor design and a waste of concrete and expense at that…

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