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Tidal flow lanes
Written By idontspam - 25 February, 2009
Traffic Bangalore Bangalore lanes suggestion flow contraflow
Also called reversible lanes. A reversible lane (called a counterflow lane or contraflow lane in transport engineering nomenclature) is a lane in which traffic may travel in either direction, depending on certain conditions.
Typically, it is meant to improve traffic flow during rush hours, by having overhead traffic lights and lighted street signs notify drivers which lanes are open or closed to driving or turning.
Best example is the golden gate bridge in San Francisco.
You can even convert divided highways to have dedicated reversible lanes
Where can we try this in Bangalore? My options
- BETL highway (on top)
- Whitefield road (remove dividers)
Both the roads are built as 4 lanes, you could have 3+1 or you could convert them to 3 lanes with shoulders and have 2+1
What are your options?
COMMENTS
roshanrk - 26 February, 2009 - 03:57
Is there a way this is enforced in other cities?
Our Problems Need Our Solutions
Naveen - 26 February, 2009 - 05:01
Quite Right.
These measures are possible in countries where people are highly disciplined, such as in Europe, N.America, Japan, etc.In this country, people do not follow well marked road dividing signs (dividers need to be solid concrete walls), traffic signal lights need cops else they jump signals the moment the cop turns his back, motorists run down pedestrians, pedestrians never bother to step aside even if there is enough room, vehicles drive in the opposite directions on one-ways & even over the side-walks...... the list goes on & on.
It's one thing to see & appreciate how well organized the system works in most places overseas, but bringing in such discipline is quite another in a country where the majority still does not have two square meals a day & life is hard even for those who are well employed as there are so many in just one city with scarce infratructure & resources.
Rithesh - 26 February, 2009 - 05:51
Reversible lanes concept is tough to implement here -
1. The number of lanes are less.
2. Illegal parkings almost always block one lane on both sides.
3. The lanes itself are much narrower than they should actually be - the concept we follow here is - draw a lane separator marking and increase the number of lanes - haha!!! Ring road is a perfect example.. it is actually just enough to be called a 4 lane road - but with the paints they have made it a 6 lane.
4. "Only my time is important and hence i dont mind breaking rules and screwing up others time" - mentality of our and the cab drivers.
A better alternative would be to reserve one lane for buses (both private and public) on the roads that you have mentioned. Parking in the Whitefield region should be regulated. I have tried enough - wrote letters to RK Mishra (Abide) and traffic police - nothing has changed.
blrpraj - 26 February, 2009 - 06:27
Another exapmple of reversible lanes in on I-90 in seattle which I have used a lot, it has hardly failed and works with clockwork precision...the consequences of something not working due to somebodies negligence is disastrous.
Having said all this I do not think reversible lanes is a feasible solution in the Indian environment, good only on paper.
idontspam - 26 February, 2009 - 06:34
Apparently this is being discussed for Bangalore
The below zipper machine can help put up dividers. read more about it here
There are also plastic collapsible dividers (like the tubes we use in bangalore) available which can be controlled from a central location. The reversible lane can also be a bus lane + car pool lane.
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