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Old September 19th, 2015, 10:41 PM   #21
myosh_tino
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Interstate Standard - United States...

* 100% Controlled Access - although as some have pointed out, there are some exceptions in extremely rural areas like in west Texas.
* Maximum Grade - 6%
* Minimum Lane Width - 12 feet
* Minimum Number of Lanes - 4 although there are some exceptions (called Super-2's)
* Minimum Shoulder Width - 10 foot outside, 4 foot inside
* Minimum Median Width - 36 feet (rural), 10 feet (urban)
* Vertical Clearance - 16 feet (rural), 14 feet (urban)
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Old September 21st, 2015, 02:49 AM   #22
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Brazil

The most technically advanced motorways in Brazil are defined Class 0 motorways by the National Department of Transport Infrastructure (DNIT).


Last edited by xrtn2; September 21st, 2015 at 02:57 AM.
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Old September 22nd, 2015, 09:07 PM   #23
John Maynard
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How many kilometers of "Class 0" roads are there?
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Old September 22nd, 2015, 09:12 PM   #24
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The road categories and design in the Russian Federation can be found here:

https://ru.wikipedia.org/wiki/%D0%9A...81%D0%B8%D0%B8

Only category IA is a true motorway, though IБ isn't far off.
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Old September 23rd, 2015, 03:27 AM   #25
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Quote:
Originally Posted by ChrisZwolle View Post
Controlled access. Limited-access is an American term to denote a type of four-lane divided highway with incidental at-grade access (for instance to farms or minor side roads).

A controlled-access highway allows access solely through interchanges, i.e. the typical Autobahn, autostrada or autoroute.

The U.S. has tens of thousands of kilometers of four-lane divided highways with limited access, but this road type isn't as common in Europe, though more common in the former Soviet Union.
I think you're partially mistaken about "limited access." Historically, "limited access" was a legal term. Before modern highways, property owners automatically had a right to access from their property any road running along the edge of it (or through it). So they could build driveways and so forth.

In order for freeways and such to work, that right had to be taken away (from particular roads). A limited access road is one where that right - and precisely the type of "incidental access" you describe - does not exist.

That said, it's not clear to me what the difference between "limited" and "controlled" access is; it may be a regional thing. (Check the Wikipedia entry on limited access.) Sort of like regional differences in the meaning of "expressway." Which is why on international forums I've taken to using "motorway," just for clarity, even though it's not a word used in the U.S.
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Old September 23rd, 2015, 04:05 AM   #26
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that's right
for example, this list (actually a law) of "controlled access highways" in Ontario:
http://www.ontario.ca/laws/regulation/900630

Some are clearly motorways which we all recognize (Hwy 401...)
but there are some simple 2-lane undivided roads without interchanges at all listed, or the Hwy 26 bypass which is 4 lanes divided, but has two roundabouts.
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Old September 25th, 2015, 06:02 PM   #27
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Finnish motorway-regulations are ridiculously strict: motorway-standard roads with parallel streets for slow traffic are often not classified as motorways, for example Ring III in Helsinki or Lappeenranta-Imatra (Road 6).
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Old September 26th, 2015, 04:13 AM   #28
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Does anyone have a list of motorway kms by country? Only true motorways of US interstate and European standards.
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Old September 26th, 2015, 10:20 AM   #29
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UK stats:

Motorway Speed Limits

Cars and Motorcycles: 70 mph (113 km/h)
Vehicles towing trailers: 60 mph (97 km/h)
Buses, coaches, minibuses up to 12 metres: 70 mph (113 km/h)
Goods vehicles over 7.5 tonnes MLW: 60 mph (97 km/h)

Road Specs:

Lane Width: 3.65 metres (12ft)
Shoulder Width: 3.3 metres (10.8ft)
Central Reservation Width: 6.5 meters (21.3ft) (M62)
Overall Width Hard shoulder x 2, lanes x 6, central reservation: 35 metres (114.8ft) (M62)

Horizontal Curve Radius @ 120km/hr: 2880 metres (9,449ft)



M62 Pictured
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Old September 26th, 2015, 10:30 PM   #30
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Actually the UK also has many "A"-roads that should be "M". Both Finland and England are full of NIMBYs and sick norms The British have though wisely built their motorways already 3+3-laned a very long time ahead.
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Old January 19th, 2016, 10:55 AM   #31
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In Western Australia we call them freeways. There are also a number of highways that have been upgraded to freeway-standard that remain being called a highway.

Freeways have a minimum of four lanes (two in each direction) and are separated either by a wide grassed median or concrete/wire rope barriers, or both. The widest section of freeway is 12 lanes. A hard shoulder is almost always present except for a few instances such as bridges and tunnels or where widening in a constrained corridor has taken place. Lighting is compulsory at interchanges but not between interchanges although most of the freeways are fully lit with just regional freeways being unlit. Cycling is not allowed on freeways, but dedicated cycle paths (complete with underpasses/overpasses) are built next to freeways.

There are no intersections on freeways. All access is through on/offramps and bridges or underpasses are used to separate roads/rail lines. Common interchange types include diamond, parclo, dogbone and SPUI. There are only two full freeway-to-freeway interchange, one is a modified 3-way stack and the other is a trumpet.

The speed limit on freeways 80km/h-110km/h.

There 130km of freeways in WA with 29kms under construction.
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Old January 19th, 2016, 12:20 PM   #32
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This is what you get to see in Ireland when the road you are on is about to turn into a motorway:

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Old January 19th, 2016, 05:39 PM   #33
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Spain:

According to the 1964 and 1976 design manuals for Spanish Autopistas (valid until 2000):
Design speeds: 140 - 120 - 100 - 80 km/h

For a design speed of 140 km/h (87 mph):
* Max grade: 3% uphill, 4% downhill
* Min median width: 12 m (6 m in special cases) (40 - 20 ft)
* Min shoulder width: 1.5 m inside, 3 m outside (5 - 10 ft)
* Min lane width: 3.75 m (12 ft)

16 m (52.5 ft) wide medians are pretty common too: https://goo.gl/maps/jrfhwmtTBEs


According to the current design manual:

Design speeds: 120 - 100 - 80 km/h

For a design speed of 120 km/h (74.5 mph):
* Max grade: 4% uphill, 5% downhill
* Min median width: 10 m to 1 m in special cases (33 - 3.3 ft)
* Min shoulder width: 1 m inside, 2.5 m outside (3.3 - 8 ft)
* Min lane width: 3.5 m (11.5 ft)


Current speed limits: http://2.bp.blogspot.com/-MM3vrwUCt6...00/Imagen2.png
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Old January 19th, 2016, 07:20 PM   #34
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Quote:
Originally Posted by General Maximus View Post
This is what you get to see in Ireland when the road you are on is about to turn into a motorway:

And the same thing in Irish/Gaelic?
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Old January 20th, 2016, 01:29 AM   #35
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I always found that sign (similar one in the UK) to be so amusing
Like they really need to spell out in writing not to take your wheelchair on the M25 or try and ride the M6(Toll) on a horse...

In Canada that sign is just a pictogram of a person and a bicycle with a red circle/slash and that's it...
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Old January 20th, 2016, 02:37 AM   #36
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Quote:
Originally Posted by Kanadzie View Post
I always found that sign (similar one in the UK) to be so amusing
Like they really need to spell out in writing not to take your wheelchair on the M25 or try and ride the M6(Toll) on a horse...

In Canada that sign is just a pictogram of a person and a bicycle with a red circle/slash and that's it...
Considering that I've seen bicyclists and equestrians try to get on freeways in the US...

Yeah. Its necessary.
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Old January 20th, 2016, 02:51 AM   #37
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I once saw someone driving a horse and cart on Polish DK 79 highway (not motorway)
I commented to my companions that in Poland if you ride horse, you are poor
but in America if you ride horse, you must be rich!
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Old January 20th, 2016, 04:19 AM   #38
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In NSW, the motorways are actually defined by freeways under the Roads Act, and are declared by the roads minister in the government gazette. Motorways are characterised by grade-separated interchanges.

In regional areas, they are retained as motorways in name, but are generally referred to as highways under the Act as they are "principal avenue[s] of road communication within the state". In particular with the likes of the M31 Hume Motorway (Sydney to Melbourne) and the M1 Pacific Motorway, large sections are more controlled-access, in that there may be on occasion at-grade intersections and even direct property access (generally for large rural properties), but the larger intersections, particularly where it is bypassing towns, are grade-separated.

Main roads, which is the next level down from highways can have a degree of controlled access too, but are generally in urban areas - James Ruse Drive in western Sydney is a main road, but has motorway conditions, in that there are 4 grade separated interchanges in its ~5km length.
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Old January 20th, 2016, 02:30 PM   #39
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Quote:
Originally Posted by Kanadzie View Post
I once saw someone driving a horse and cart on Polish DK 79 highway (not motorway)
I commented to my companions that in Poland if you ride horse, you are poor
but in America if you ride horse, you must be rich!
Well, in Ukraine on M10 near Yavoriv I had stood for 1.5 hours an the same place because... a pretty poor farmer was herding his cows. Well, one of them had rammed my companion's poor Zhyguli(Soviet car). Only after something like , you ***************** did he come off the road. The other time on the same road(in the same village!), that had only one street was a funeral mourning. Unfortunately that wasn't the shepherd to yell at, so I waited 2,5 hours before they turned on the other street, 6 km away. The police did nothing, as usual, so I just did the detour to Shehyni, not to listen the Requiem(luckily it was a bit more pleasant than that)
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Old January 20th, 2016, 08:28 PM   #40
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Quote:
Originally Posted by strandeed View Post
UK stats:

Motorway Speed Limits

Cars and Motorcycles: 70 mph (113 km/h)
Vehicles towing trailers: 60 mph (97 km/h)
Buses, coaches, minibuses up to 12 metres: 70 mph (113 km/h)
Goods vehicles over 7.5 tonnes MLW: 60 mph (97 km/h)

Road Specs:

Lane Width: 3.65 metres (12ft)
Shoulder Width: 3.3 metres (10.8ft)
Central Reservation Width: 6.5 meters (21.3ft) (M62)
Overall Width Hard shoulder x 2, lanes x 6, central reservation: 35 metres (114.8ft) (M62)

Horizontal Curve Radius @ 120km/hr: 2880 metres (9,449ft)
Actually, British Standards are increasingly allowing for motorways to be built to much lower standards than specified there. Increasing numbers of motorways have narrower lanes, narrower central reservations and no shoulders, as motorways are "widened" by redesignating the shoulder as an extra lane, narrowing the central reservation and reallocating the carriageway widths. Typically now, there will be a 1 metre shoulder, two lanes at 3.65 metre width, and two lanes at 3.25 metre width.
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