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View Poll Results: Which is the busiest Freeway
401-Toronto 170 57.43%
Santa Monica Freeway-LA 96 32.43%
Southwest Freeway-Houston 14 4.73%
I-85-Atlanta 16 5.41%
Voters: 296. You may not vote on this poll

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Old August 22nd, 2009, 11:55 PM   #461
dark_shadow1
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Quote:
Originally Posted by ChrisZwolle View Post
Yeah right...
Quote:
Highway 20, more commonly Ayalon Highway (Hebrew: נתיבי איילון‎, "Netivey Ayalon") is a major intracity freeway in Gush Dan, Israel. The road runs along Tel Aviv's center eastern border from north to south (with a planned east-west branch as well) and connects all of the major highways leading to the city - such as Highway 4 from Ashdod and the Southern regions, Highway 2 from Haifa and the Northern regions, Highway 5 from the East, and Highway 1 from Jerusalem and the Southeast. The Ayalon Highway is heavily travelled and over 750,000 vehicles per day use its main section
http://en.wikipedia.org/wiki/Ayalon_Highway

Yeah, right

Quote:
Originally Posted by ChrisZwolle View Post
500.000 is a summer peak of the 401.

The 750,000 for the Ayalon claim is probably based on the amount of traffic on the entire highway, but that's not how traffic volumes are measured. Traffic counts are measured between two interchanges/exits. 750,000 would require 34 lanes.
There are around 450,000 cars in Tel Aviv alone and hundreds of thousands more which get into Tel Aviv mainly through Highway 20 from the surrounding cities because Tel Aviv is the economic center of Israel. This highway connects most of "Gush Dan" (~3.5 million people) to Tel Aviv and the surrounding cities which are packed with work places. This highway often has a 20 KM traffic jam during the times when people get to work (~8:00 AM) and return from work (~5:00 PM). There are suggestions to encourage people to get more people into a single car in order to stop the huge traffic jams and to improve public transportation which is pretty bad in Israel, especially because there is no light rail system (although the entire Tel Aviv metropolis id around 50 KM from side to side), the heavy rail system is badly operated (trains are almost always late) and buses are less commonly used since the second intifada when dozens of the were blown by terrorists. There is the "Sherut" taxi which is just a big van with like 15 seats by these taxis does not have a schedule and it's almost impossible to rely on them in many places.
Many people have cars+bad public transportation+most of the traffic is in a single short section of a road=massive traffic.


Last edited by dark_shadow1; August 23rd, 2009 at 12:07 AM.
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Old August 22nd, 2009, 11:58 PM   #462
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Impossible. There are 8 lanes. 210,000 is about the maximum volume for that. (8*12*2,200)

It's probably someone who don't know squat about traffic volumes and translates the total volume of the entire Ayalon as a single point count.
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Old August 23rd, 2009, 12:11 AM   #463
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Quote:
Originally Posted by ChrisZwolle View Post
Impossible. There are 8 lanes. 210,000 is about the maximum volume for that. (8*12*2,200)

It's probably someone who don't know squat about traffic volumes and translates the total volume of the entire Ayalon as a single point count.
It seems like the official website counts the number of cars which goes through highway 20. I'll check that tomorrow during the rush hours.
Here, this is the main section of the road. The heavy traffic starts from around 08:00 (there is a clock in the bottom of the video)
http://www.ayalonhw.co.il/camera/camera.asp?perCamera=5
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Old August 23rd, 2009, 03:07 PM   #464
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This is more than 8 vehicles per every single second of the day.

Completely impossible for only 8 lanes.
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Old August 23rd, 2009, 03:20 PM   #465
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Quote:
Originally Posted by keber View Post
This is more than 8 vehicles per every single second of the day.

Completely impossible for only 8 lanes.
That's probably the traffic in the main section of the road- not of a single point.
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Old August 25th, 2009, 12:50 AM   #466
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Quote:
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New York City & New Jersey beat out Houston easily , the stunning views from NYC & NJ freeways and the amount of them are incredible, Texas itself is just a bunch of big Freeways like Toronto and Ugly lack stunning views
Freeways in Houston serve a fundamentally different purpose than those in the Tri-State. There is no well-developed system of superstreets such as you will see with most NJ state routes in urban areas, so any medium-to-long-distance traffic is by its nature funneled on to one of the major freeways, rather than it being one of many options, each of which function equally well.

The freeways have to be so big because there is no arterial system like up here
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Old August 25th, 2009, 12:54 AM   #467
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I just did a little test with Gmaps.

Houston - The Woodlands

* using I-45: 41 minutes
* using surface streets: 87 minutes

So yeah, that's not really an alternative.
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Old August 25th, 2009, 01:07 AM   #468
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Quote:
Originally Posted by ChrisZwolle View Post
Impossible. There are 8 lanes. 210,000 is about the maximum volume for that. (8*12*2,200)

It's probably someone who don't know squat about traffic volumes and translates the total volume of the entire Ayalon as a single point count.
How do you figure out the maximum volume for a road? I can see you have written (8*12*2,200) but what are those numbers for?
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Old August 25th, 2009, 01:37 AM   #469
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There are rules of a thumb for that.

First, you need the number of lanes (8)
then, you need the number of hours a road is used to capacity. Usually 10 to max. 12 for heavy urban areas
then, you need the capacity in vehicles per lane per hour. This is usually between 2000 and 2500, but I think 2200 is more realistic.

So you'll get 8*12*2,200 = 211,200

you can vary the variables a bit, like 8*11*2000 = 176,000

If you take the lower limit, you'll get 8*10*2200 = 176,000
If you take the higher limit, you'll get 8*12*2500 = 240,000 = heavily congested

Also, I draw some experience from roads which are congested. I know 200,000 on 8 lanes leads to frequent congestion, but 160,000 on 8 lanes will be mostly free flowing.

For instance, the A20 in Rotterdam has 6 lanes and 180,000 AADT. When you calculate it back, it'll be around 6*12*2500 = 180,000. This shows the A20 is a heavily overloaded road, since 12 is already considered a maximum, and 2500 is really an upper limit for the capacity per lane per hour.
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Old August 25th, 2009, 02:01 AM   #470
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Quote:
Originally Posted by ChrisZwolle View Post
I just did a little test with Gmaps.

Houston - The Woodlands

* using I-45: 41 minutes
* using surface streets: 87 minutes

So yeah, that's not really an alternative.
How would you even do that? Hardy St to Riley Fuzzell to Rayford-Sawdust and Grogan's Mill?
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Old August 25th, 2009, 10:49 AM   #471
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I forced the route onto adjacent surface streets.
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Old August 25th, 2009, 11:43 AM   #472
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In Norway the official traffic map doesn't show the exact number higher than 50 000 on the map I normally use. (http://viskart.vegvesen.no/)

We see that the roads that are heaviest traveled are E18, and E6 in both directions out of Oslo aswell as RV150 (Ring3), aswell as E39 between Sandnes/Forus and Stavanger. Bergen and Trondheim does not have any 50k'ers

As I have pointed out in the Norwegian discussion the E39 around Stavanger is a killer in rush hours. I would bet that Oslo has higher overall AADT since there are more public transport, and the rush hour percent is lower. Ironically the leftwing in Norway sees it as good environmental policy to have cars stand in queue, instead of giving viable public transport.
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Old August 25th, 2009, 11:51 AM   #473
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Definately Auckland with it's motorways. I think the Northwestern Motorway is the worst but I don't know the total facts but I'm sure someone on this forum can tell.
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Old August 25th, 2009, 12:06 PM   #474
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The busiest roads in the Netherlands. 2006 AADT.

1. A16 Rotterdam-Centrum - Rotterdam-Feijenoord 232.000
2. A16 Rotterdam-Feijenoord - IC Ridderkerk 229.000
3. A16 IC Ridderkerk 1 - IC Ridderkerk 2 226.000
4. A12 Utrecht-Kanaleneiland - Utrecht-Hoograven 220.000
5. A12 Nieuwegein - Utrecht-Kanaleneiland 214.000
6. A12 IC Oudenrijn - Nieuwegein 214.000
7. A4 IC Prins Clausplein - IC Ypenburg 207.000
8. A12 Utrecht-Hoograven - IC Lunetten 204.000
9. A16 Rotterdam-Kralingen - Rotterdam-Centrum 204.000
10. A10 Amsterdam-S108 - IC De Nieuwe Meer 201.000

by capacity

12 lanes: A16 Rotterdam-Centrum - Rotterdam Feijenoord 232.000
10 lanes: A12 Utrecht-Kanaleneiland - Utrecht-Hoograven 220.000
8 lanes: A27 IC Lunetten - IC Rijnsweerd 194.000
6 lanes: A13 IC Ypenburg - Delft-Noord 184.000
4 lanes: A1 Soest - Eemnes 118.000
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Old August 25th, 2009, 06:49 PM   #475
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Quote:
Originally Posted by ChrisZwolle View Post
There are rules of a thumb for that.

First, you need the number of lanes (8)
then, you need the number of hours a road is used to capacity. Usually 10 to max. 12 for heavy urban areas
then, you need the capacity in vehicles per lane per hour. This is usually between 2000 and 2500, but I think 2200 is more realistic.

So you'll get 8*12*2,200 = 211,200

you can vary the variables a bit, like 8*11*2000 = 176,000

If you take the lower limit, you'll get 8*10*2200 = 176,000
If you take the higher limit, you'll get 8*12*2500 = 240,000 = heavily congested

Also, I draw some experience from roads which are congested. I know 200,000 on 8 lanes leads to frequent congestion, but 160,000 on 8 lanes will be mostly free flowing.

For instance, the A20 in Rotterdam has 6 lanes and 180,000 AADT. When you calculate it back, it'll be around 6*12*2500 = 180,000. This shows the A20 is a heavily overloaded road, since 12 is already considered a maximum, and 2500 is really an upper limit for the capacity per lane per hour.

Ok, now I understand,thanks for the answer Chris!
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Old August 25th, 2009, 08:29 PM   #476
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Time for something quieter after the Canadian monster and the 'parking lots' of the Netherlands.

The busiest motorways in Czech Republic.

First the top 10 by the 2005 AADT (sadly, some data are missing to make a more up-to-date list). Basically parts of the D1 motorway near Prague and Brno and Prague's outer ring R1. The older and current data are included as well, as I think they're rather interesting. All the traffic figures are in thousands, obviously.

Code:
section				      lanes 1990  1995  2000  2005  2008
D1 Spořilov (1) – Chodov (2)		6     32  47.6  71.3  91.9  98.2
D1 Chodov (2) – Průhonice (6)		6     22  37.8  62.6  84.0  91.9
D1 Průhonice (6) – Jesenice (11)	6      -  35.7  50.4  71.0  80.5
D1 Jesenice (11) – Všechromy (15)	6      -  34.1  47.8  62.6  71.1
R1 Horní Počernice (2) – Běchovice (3)	4*     x     -  29.8  57.7     -
R1 Ořech (19) – Třebonice (23)		4      7     -  35.3  57.0     -
D1 Všechromy (15) – Mirošovice (21)	6      -  31.7  42.3  56.3     -
D1 Brno-ctr. (194) – Brno-jih (196)	4*     -  24.5  42.3  54.9  67.5
D1 Brno-západ (190) – Brno-ctr. (194)	4*     -  23.4  36.5  48.0     -
R1 Slivenec (16) – Ořech (19)		4      7     -  36.3  47.8     -
The 6-laned parts were upgraded from 4 lanes in 1996-1999.
* = upgrade to 6 lanes proposed
- = data not available
x = not built yet

With Prague's motorways included, it looks like this. These are the average workdays figures (so not AADT, that would be ~0.9x the values), and again with a bit of history.
Code:
section				1990  2008
MO - Barrandov bridge		  34   137
MO - 5. Května(>D1)-Vídeňská	  31   130
D1 - Spořilov-Chodov		  32   113
MO - Vídeňská-Sulická		  28   110
5. Května* - MO-Spořilov	  41   110
MO - Zahradní Město-Chodovská	  18   108
Wilsonova** - Florenc-Bulhar	  66   104
MO - Sulická-Braník		  28   103
D1 - Chodov-Průhonice		  22   102
5. Května* - MO-Pankrác		  48	95
MO = City ring
* - D1 feeder
** - actually not a motorway, so it's legal (and suicidal) to go there on a bike
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Old August 25th, 2009, 10:39 PM   #477
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Quote:
Originally Posted by ChrisZwolle View Post
I forced the route onto adjacent surface streets.
That's what I'm saying - there's nowhere even close to a direct route from downtown to the Woodlands other than I-45
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Old August 26th, 2009, 09:33 PM   #478
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Quote:
Originally Posted by ChrisZwolle View Post
Impossible. There are 8 lanes. 210,000 is about the maximum volume for that. (8*12*2,200)

It's probably someone who don't know squat about traffic volumes and translates the total volume of the entire Ayalon as a single point count.
Here in portugal these's basically no route above 200.000 daily cars ... 6 lanes is the limit in all main roads.

but nonetheless there are some routes with only 4 lanes that reach 200.000 daily cars (some even surpass it).

The dense web of routes betweem Sintra/Cascais and Lisboa (2 paralel east-west freeways/highways with half a dozen perpendicular freeways) handles some 200.000 daily cars in ALMOST it's entire lenght (and it's all 4 and 6 lanes wide).

The Tejo (25de abril bridge = 160.000) and Douro crossings (freixo + arrabida = 160.000 each)
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Old March 26th, 2010, 02:16 AM   #479
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Busiest road on earth

Hello lads. After checking personally how many cars pass through Marginal Tietê freeway in São Paulo (Brazil) and findind astonishing 1,2 MILLION vehicles daily, I've been wondering if there are any roads out there that can surpass it?

For those who don't know, the Marginal Tiete freeway is the heart of Latin America's largest city, and crosses the city from east to west. It goes along the margins of Tietê river, which is highly polluted. It's the main connection between Sao Paulo - Rio de Janeiro, through Presidente Dutra highway.

For the paulistanos (that's how we call the people that live in São Paulo), the Tietê is a daily nightmare, seeing as it's always stuck in traffic jam, even at dawn.











http://en.wikipedia.org/wiki/Marginal_Tiet%C3%AA
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Old March 26th, 2010, 10:34 AM   #480
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1.2 million is the overall usage of that road. Same claim as 1 million for the Paris Boulevard Périphérique.

Traffic volumes are measured by the amount of traffic using a particular section of road, for example between two exits or interchanges.

By this measure, the Highway 401 in Toronto is the world's busiest at 426,000 AADT.

The Marginal Tiete has only 8 through lanes, plus 6 parallel lanes. At full congestion, the traffic volumes would be around 350,000 AADT. However, once the Marginal Tiete is widened to 20 lanes, the capacity would be around 500,000 AADT.
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