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Old January 4th, 2009, 01:10 AM   #81
Majestic
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Old January 4th, 2009, 01:22 AM   #82
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Santiago de Chile's Vespucio ring road Aprox. 64.8 km (i measured it with google earth, did my best).

(3 lanes for each direction in most of its parts and in some even more), most of it is a highway and the small part that is a big avenue will be turned to highway soon.


http://www.panoramio.com/photo/14886906
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Last edited by Xpressway; January 5th, 2009 at 03:55 AM. Reason: updated information
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Old January 4th, 2009, 08:23 PM   #83
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Quote:
Originally Posted by Exethalion View Post
M25 London Orbital in Untied Kingdom - 188km, though it isn't a perfect ring since the A282 forms the Dartford crossing over the Thames in the East. It's the 2nd longest ring in Europe according to wiki.

As for the widest, I'd suggest the Garden Ring in Moscow, which is more of an avenue or boulevard, but it's pretty wide all the way around.
And really jammed
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Old January 4th, 2009, 08:37 PM   #84
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At grade boulevards are not suitable for handling heavy traffic flows. This is probably how the Toronto area around the Gardiner would look like if they demolish the Gardiner Expressway.
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Old January 5th, 2009, 01:36 AM   #85
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Quote:
Originally Posted by ChrisZwolle View Post
Maybe it's interesting to make a list of beltways / ringroads / circular roads / orbital roads / circumferential roads or whatever they call them in your country.

the Netherlands

A10 Ring Amsterdam 32 km
A4/A15/A16/A20 Ring Rotterdam 41 km

Germany

A10 Berliner Ring 196 km
A100 Berliner Stadtring 22 km (not completed)
A1/A3/A4 Kölner Ring 52 km
A99 Autobahnring München 54 km (not completed)

Belgium

R0 Ring Brussel / Bruxelles 75km
R1 Ring Antwerpen 17 km
R2 Ring Antwerpen 13 km
R3 Ring Charleroi 33 km
R4 Ring Gent 61 km

France

Boulevard Périphérique Paris 35 km
A86 super-périphérique Paris 64 km
A/N104 Francilienne Paris ? km
A624/A62 Ring Toulouse 47 km

United Kingdom

M25 London Orbital 188 km

Hungary

M0 Budapest beltway 108 km

Russia

MKAD Moskva 109 km
KAD St. Petersburg 115 km

Italy

A90 Grande Raccordo Anulare Roma 68 km

Japan

Route C1 Tokyo 15 km
Route C2 Tokyo 49 km
Tokyo-Gaikan Expressway 34 km
Ken-O Expressway 300 km
Add the M60 in Manchester to that list (56km).

http://en.wikipedia.org/wiki/M60_motorway
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Old January 5th, 2009, 03:56 AM   #86
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Add Avenida Circunvalación Américo Vespucio in Santiago, Chile
64,8 km

http://es.wikipedia.org/wiki/Avenida...9rico_Vespucio (in spanish)

Even though its name incluides Avenue, its almost entirely a highway now and it'll be 100% highway in some years.
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Old January 7th, 2009, 11:02 PM   #87
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One question.
Is Houston the only city in the world with Three beltways or Loops (counting the route of I-10, I-45 and US-90 that circle the Downtown) that are complete freeways??. Or Is there another city in the world with more beltways that are complete freeways??. I can only remember Madrid, but M-30 has one portion that thas traffic lights, and M-50 still has a gap.
Houston has the ring around Downtown, I-610, Sam Houston Beltway and the Grand Parkway will be the Fourth when is completed.
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Old January 7th, 2009, 11:16 PM   #88
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Beijing has 6 freeway rings.
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Old January 7th, 2009, 11:18 PM   #89
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Tokyo also has three beltways, but the outer beltway is still under construction...

I'm not sure if the Houston inner "beltway" can be considered as such. I don't think it'll function as one.
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Old January 8th, 2009, 12:05 AM   #90
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Beijing has 6 freeway rings?? That's amazing.
And about "Houston Downtonwn Ring", It has only the form of a ring but their function as a Beltway is totally questionable .

Texas Cities has very well designed Beltway Plans. San Antonio also has the "Downtown Ring" that Houston has and the I-410 that are complete freeways. The Loop 1604 is completed but only the Northern Section is a freeway. Also there are another outer-outer loop that is formed by parts of State Highways 16, 97, 123, and 173 and all of SH 46. The roughly 222 mile ring, about 30-40 miles from downtown San Antonio, connects the towns of Boerne, Bulverde, New Braunfels, Seguin, Stockdale, Floresville, Pleasanton, Jourdanton, Devine, Hondo, and Bandera. Many of these areas, especially along the northern arc, are rapidly growing as San Antonio's suburbs continue to spread, and some local residents and officials have begun to discuss the need for a possible third loop around San Antonio.
Dallas also has Loop 12, the LBJ Freeway, the George Bush Turnpike, and Belt Line Road, although some of them are not completed.
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Old January 8th, 2009, 01:08 AM   #91
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Paris Ring Road has about 132 km at the moment, I counted on Google Earth...

It would be damn long if finished...
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Old July 14th, 2010, 01:30 PM   #92
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Esfahan's third Ring 38 km
Esfahan's forth Ring u/c 205 km
Tehran's Ringway (Azadegan Exp.+Basij Exp.) 46 Km
Shiraz Ringroad 44 Km
Mashhad Ring Expressway 35 km
Mashhad's Northern Bypass u/c 72 km
Tabriz Ring Freeways (West:u/c) 47 km
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Old July 14th, 2010, 01:56 PM   #93
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Zürch: Westring + Nordring = 30km
Google Maps

I would consider it as 3/4 as it connects A1 from the east till A3 to the south.
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Old July 14th, 2010, 02:00 PM   #94
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Saragossa's Z-40 ring: 33 km.
Huesca's ring (partially planned): 34 km. Not that bad for a 50000 inhabitant city
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Old July 14th, 2010, 02:11 PM   #95
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Cairo Ring Road: 107 km. Newer sections have 2x4 lanes.
[IMG]http://i32.************/24d2eer.jpg[/IMG]
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Old July 14th, 2010, 04:16 PM   #96
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Algiers, Algeria

Algiers North Ring road - 16 km (2x2-2x3-2x4 lanes)
Algiers South Ring road - 45,5 km (2x3-2x4-2x5 lanes)
Algiers 2nd South Ring road - 61 km (2x2 and 2x3 lanes)
Algiers - Blida - 32,5 km (2x3 lanes)

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Old July 15th, 2010, 04:17 PM   #97
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Belgian non-motorway R-roads:

R10 Antwerpen 8.5 km (Partial)
R11 Antwerpen 12.9 km (Partial)
R12 Mechelen 4.7 km (Complete)
R13 Turnhout 8.8 km (Partial)
R14 Geel 9.1 km (Partial)
R16 Lier 7 km (Partial)

R20 Brussel/Bruxelles 7.9 km (Complete)
R21 Brussel/Bruxelles 11.8 km (Partial)
R22 Brussel/Bruxelles 22.5 km (Partial, longest non-motorway numbered ring in the world?)
R23 Leuven 7.3 km (Complete)
R24 Nivelles 7.3 km (Partial)
R25 Aarschot 7 km (Partial, seems to have a gap between N19f and N19...)
R26 Diest 4.2 km (Complete)
R27 Tienen 6.5 km (Partial, actually N3 bypass)

R30 Brugge 7.5 km (Complete)
R31 Oostende 4.4 km (Partial)
R32 Roeselare 16.8 km. (Partial, can be completed via A17)
R33 Popering 5.4 km (Partial)
R34 Torhout 6.8 km (Partial)
R35 Waregem 5 km (Complete)
R36 Kortrijk 4.9 km (Complete)

R40 Gent 11.3 km (Complete)
R41 Aalst 5.9 km (Partial)
R42 Sint-Niklaas 4.7 km (Partial)
R43 Eeklo 3.7 km (Partial; Palance, here you have a reason for update your B R-roads page)

R50 Mons 4.9 km (Complete)
R51 Charleroi 3.1 km (Partial, can be completed by cutting via Blvds Audent & l'Yser)
R52 Tournai 5.6 km (Complete)
R53 Chatelet 2.9 km (Complete, shortest dual direction numbered ring in the world?)

R61 Verviers 4.2 km (Partial)
R62 Hannut 3.4 km (Partial, actually N80 bypass but can be extended to N240)

R70 Hasselt 2.5 km (Complete, counterclockwise only, shortest numbered ring in the world?)
R71 Hasselt 10.11 km (Complete)
R72 Tongeren 3.7 km (Complete)
R73 Bree 3.6 km (It isn't a mistake and it's N73?)

Distances measured in Google Earth. In Huesca we have a named ring in counterclockwise direction of only 2.2 km!
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Old July 15th, 2010, 04:36 PM   #98
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Quote:
Originally Posted by CNGL View Post
R22 Brussel/Bruxelles 22.5 km (Partial, longest non-motorway numbered ring in the world?)
There must be longer ones in Texas....

EDIT: For example, this one: http://en.wikipedia.org/wiki/Texas_S...ighway_Loop_12

You forgot the R6 (I think), in Mechelen.
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Old July 15th, 2010, 04:42 PM   #99
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I only counted R-xx, not R-x which are partially motorway, or motorway at his full lenght. And R6 was to be a motorway...
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Old September 6th, 2010, 06:28 PM   #100
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Really long planned beltways:
* Центральная кольцевая автомобильная дорога (CKAD) - Moscow: 522 km
* Big Beltway of Warsaw (DK50/62, planned upgrade to freeway): about 300 km
* State Route 840 - Nashville: 287 km
* Grand Parkway - Houston: 274 km

Oh, and the TX loop 12 is partly a freeway/motorway/whatevertheycallitway, so it can't be the longest non-motorway ring in the world.
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