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Old 29th October 2014, 12:08   #31
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Default Re: GreenLight: Reduce traffic jams by eliminating 'right turns' at signals

Follow the rules given in this URL and I can bet that there will no traffic jams in any of the place.

http://www.bangaloretrafficpolice.go...e&id=82&btp=82
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Old 29th October 2014, 12:20   #32
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Default Re: GreenLight: Reduce traffic jams by eliminating 'right turns' at signals

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Originally Posted by srishiva View Post
In New Jersey U.S, they have something called Jug handle turns.
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Originally Posted by Technocrat View Post
There is a slightly different but more practical design called Jughandle Turns which can be seen in some US states like NJ
In Bangalore, Domlur flyover is sort of jug handle if you coming from IRR and want to enter old Airport road, which is on the right.
Something similar was proposed to Silkboard junctions by the residents many years back, which was duly considered and put away.
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Our volume is too much to support this kind of turns. We will block the wrong side lanes on the perpendicular roads and create a mess.
Our traffic include cycles, bikes, cars, tempos, trucks & buses, which must do a U-turn after turning left. Imagine the amount of space required for U-turns and space for straight traffic.
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Old 29th October 2014, 13:35   #33
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Default Re: GreenLight: Reduce traffic jams by eliminating 'right turns' at signals

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Originally Posted by Sridhar K View Post
Have seen this implemented at two places in Chennai with mixed results.
a) OMR- Sholinganallur intersection - Partial implementation. What they have tried is to eliminate a right turn from an minor road onto a major road. Has reduced the wait time at the signal for folks driving on the major road by a great deal. They have also eliminated traffic on the minor road from passing straight through across the major road.

In Chennai, the enforcement is very good for cars but pathetic for motorbikes, autos, share autos, MTC buses and police vehicles.
Exactly, We look stupid when we wait on the queue to take the U turn and the cabs will just cut through as if we never existed. But in general it worked well at that junction especially for the vehicles which come from Sholinganallur to medavakkam where the U turn is 1 km away near empty stretch.
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Old 29th October 2014, 14:39   #34
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Default Re: GreenLight: Reduce traffic jams by eliminating 'right turns' at signals

Here's an example (MindSpace circle, Hyderabad) where a C-turn has been implemented to avoid dealing with our drivers' stupidity at roundabouts. However, this doesn't solve anything and only adds to the woes of those using the C-turn road. People coming from Inorbit road wanting to take a right at this circle have to proceed towards Gachibowli and take a U-turn, inconveniencing those going straight on both sides of the road.


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Old 29th October 2014, 17:42   #35
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Default Re: GreenLight: Reduce traffic jams by eliminating 'right turns' at signals

I have seen this operating in London as early as the 1970's. No right turn so the system was Left, Left, Left and straight through. Worked very well.
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Old 29th October 2014, 21:10   #36
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Default Re: GreenLight: Reduce traffic jams by eliminating 'right turns' at signals

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I have seen this operating in London as early as the 1970's. No right turn so the system was Left, Left, Left and straight through. Worked very well.
Yes sir, but in India, the road parallel to the main road is not as wide or used for parking. Often not fit for big vehicles like busses.

So left, left, left isn't exactly viable in our country, still a smart system nevertheless.

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Follow the rules given in this URL and I can bet that there will no traffic jams in any of the place.
If only life was so simple.

On a serious note, it's all down to teaching people to drive and making sure there's a proper written test in RTOs.

For a motor driving license, we just drive maybe 1/2 a KM and we pass. That's not how it must be.
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Old 30th October 2014, 15:18   #37
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Unhappy Re: GreenLight: Reduce traffic jams by eliminating 'right turns' at signals

Now, who here has analyzed the roads in Kolkata?

Especially, the Ruby connector? The Ruby connector connects Gariahat to Ruby.

Didi has decided to install a traffic signal, every 10 metres on this 2 km stretch.

The end result is that the road is absolutely, untraverseable.

this is a straight line stretch, mind you. No left or right turns, but there are small bicycle sized lanes, and shops have sprung up at each traffic signal. signals have been primarily added to slow down traffic, or to use up the extra purchase of traffic signals, whatver they may be.

I have now realise the only efficient use of time on this, and many other stretches in Kolkata, is to watch educations videos. I highly reccomend coursera.

I do hope, the government realises that excess traffic signals, slow down traffic and impact productivity, and that isnt development. building roads is.

- Nucliomaniac
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Old 30th October 2014, 16:17   #38
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Default Re: GreenLight: Reduce traffic jams by eliminating 'right turns' at signals

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Hello fellow BHPians,

I came across this on twitter today evening. Please check it out at www.differentearth.com

Implementation of this is difficult, but still is a brilliant idea.

Warm Regards

I don't think its possible in India. Better solution would be to make all roads one way - with some exceptions where there is no possibility of one way at all.
Barcelona has successfully implemented one way traffic in almost all parts of the city!
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Old 30th October 2014, 21:43   #39
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Default Re: GreenLight: Reduce traffic jams by eliminating 'right turns' at signals

One simple thing, that administration can do is to synchronize the traffic signals. This alone can avoid at least 50% of waiting time at signals.

This is possibly simplest thing to carry out. In city like Bangalore, where signal lights are there for every 100 to 300 mtrs, this step will immensely help
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Old 31st October 2014, 13:28   #40
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Default Re: GreenLight: Reduce traffic jams by eliminating 'right turns' at signals

One problem with this is that the vehicle that takes a U turn will end up in the 2nd lane and not the first which will lead to more chaos and more jams. All we need right now is basic civic sense and implementation of existing rules. Also not all intersections in India have a left turn.

Last edited by HKap : 31st October 2014 at 13:30. Reason: wrong grammar.
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Old 1st November 2014, 23:25   #41
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Default Re: GreenLight: Reduce traffic jams by eliminating 'right turns' at signals

This formula is already in existence in Delhi. Central Delhi - a.k.a. Chanakyapuri, India Gate, Rashtrapati Bhawan, Rajpath..... The rule follows. Surprisingly, even when unruly drivers when driving through this are, they magically turn into angels stopping before the stop line, no honking, waiting for the light to turn green, no crawling over Zebra crossings. And to add to it all, the govt has imposed 'No right turns whatsoever", reducing traffic jams despite the high traffic density.
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Old 2nd November 2014, 11:35   #42
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Default Re: GreenLight: Reduce traffic jams by eliminating 'right turns' at signals

I see biggest bottlenect is the "C" turn. the video shows cars taking C turns. What about other bigger vehicles, vans, Ambulances, buses etc.?
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Old 2nd November 2014, 11:56   #43
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Default Re: GreenLight: Reduce traffic jams by eliminating 'right turns' at signals

Very Informative...Have seen this implemented recently in Southern Chennai (Medavakkam, Sholinganallur) junctions.
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Old 2nd November 2014, 20:20   #44
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Default Re: GreenLight: Reduce traffic jams by eliminating 'right turns' at signals

Was tried in Gurgaon on pilot basis but failed. Lane discipline is a must.
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Old 3rd November 2014, 14:48   #45
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Default Re: GreenLight: Reduce traffic jams by eliminating 'right turns' at signals

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Originally Posted by hellmet View Post
Here's an example (MindSpace circle, Hyderabad) where a C-turn has been implemented to avoid dealing with our drivers' stupidity at roundabouts. However, this doesn't solve anything and only adds to the woes of those using the C-turn road. People coming from Inorbit road wanting to take a right at this circle have to proceed towards Gachibowli and take a U-turn, inconveniencing those going straight on both sides of the road.
The C turn has been implemented at many places in Hyderabad. It is showing it's purpose in most of the places. The main reason for implementing this, is the construction of Metro Rail at the traffic signals. Just slowing down and proceeding towards the destination is better than waiting for endless minutes at the traffic signals IMO.

For example, take a look at the Kukatpally 'Y' junction. Would you believe if I say that there have been instances where this particular junction witnessed traffic jams at 6'O clock in the morning? But once the traffic police implemented C turn at this junction, I have not witnessed a jam in the last 4 months. I agree that C turns may not fit in a few places, but it does help in reducing traffic snarls at the traffic signals.
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