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Old June 4th, 2009, 02:20 AM   #41
Morsue
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I think there's a continuous 4-lane road in Egypt from Suez all the way to the Libyan border (more than 800 km), but it's not a motorway. Morocco would have ~615 km of continuous motorway, if Rabat had a proper motorway bypass; that way it has only ~310 km between Rabat and Marrakech. There are some other 4-lane roads in Africa, but I doubt many of them are up to motorway standards.
In 2013, the Moroccan motorway to Agadir and the Rabat bypass will be completed, as well as the motorway to Oujda. In theory, that would mean 921 kms from Oujda to Agadir via Rabat-Casablanca. The problem is that there's a 13 km section between Salé and Sidi Allal Bahraoui which is only up to expressway standards. This section has divided carriageways, but at-grade interchanges. Don't know if that would disqualify it.
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Old June 4th, 2009, 03:29 AM   #42
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I've seen that, N6. Aren't there any plans to build a real motorway instead?
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Old June 4th, 2009, 09:50 PM   #43
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Between Salé and Sidi Allal Bahraoui? No, I don't think so. The expressway is of a very high standard anyway.
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Old September 6th, 2011, 06:08 PM   #44
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You can go from shiraz to Tehran then to Mashhad and to Ghuchan without any red lights and only less than 10 round abouts
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Old September 6th, 2011, 11:26 PM   #45
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The best explanation as to why the current situation is only around 450km is that Australia is a country of a few big cities with not much in between (apologies to all Australians living in regional areas). This means massive passenger transport demand in cities; quite an extensive length of Melbourne's freeway have more than 100,000 AADT, with a fair bit in the 150,000-200,000 range. Get outside the cities and this drops away very quickly. Then again you will have been driving for some time to get out of suburbia, or in the case of Brisbane and Sydney the extensive population areas to both the north (Sunshine Coast and Newcastle) and the south (Gold Coast and Wollongong).
South Africa is very similar to Australia in this regard (though not on quite the same scale). Mostly the cities are too far apart and separated by too sparsely populated terrain to generate inter-city traffic volumes high enough for freeways on these long distance intercity routes. For example, AADT drops below 5 000 on the emptiest part of the N1 between Cape Town and Bloemfotein (about 1000 km, mostly pretty empty after Worcester). Therefore, mostly the freeways connect cities with their suburbs and outlying towns.

The two major exceptions are Johannesburg and Pretoria which are separated by less than 60 km and so generate massive commuter traffic between them on two freeways (N1 and R21), and the N3 from Johannesburg to Durban which is about 2/3 freeway by length, with more planned.

The other thing to bear in mind is that where traffic volumes are low, the terrain open and the road straight/well engineered, there is little advantage to a freeway as the speed limit is 120 km/h anyway and there is little to slow the driver down. It's a totally different story from the "old world" where the driver would have to slow down every few miles to go through a village, navigate a bend or roundabout etc.

I'm thinking of this: N1 between Laingsburg and Beaufort West - that white vehicle is the only other vehicle in sight in either direction.
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