Questions tagged [road]
8 questions
25
votes
2 answers
Does China have motorways with 50 lanes, or at least with 20?
An article from the Daily Mail reports about a giant traffic jam near Beijing, China, in the aftermath of 2015's national holiday week.
Several times, the article insinuates at least a section of the motorway has as many as 50 lanes:
No end in…

O. R. Mapper
- 673
- 1
- 6
- 13
24
votes
2 answers
Are big cars and SUVs safer than small cars or do they just *feel* safer?
I've long observed that many drivers in the UK choose SUVs (which are often disparagingly called Chelsea Tractors) do so at least partially because they believe such cars to be safer. I doubt this claim.
More importantly, the debate about safety has…

matt_black
- 56,186
- 16
- 175
- 373
15
votes
1 answer
Are car headlights getting brighter?
This news story in Popular Science asks whether car headlights are getting brighter and concludes they are not:
So are headlights actually getting brighter?
The short answer is no—although there was a tweak to headlight regulations in 2008—but…

matt_black
- 56,186
- 16
- 175
- 373
11
votes
2 answers
Do the majority of people go 80 mph on the motorway?
I live in the UK, and my dad has told me "It is not possible to drive at 70 mph on the motorway. Everyone goes at 80 mph and [the police] don't care."
When he says nobody he means the majority of people drive at 80 mph.
The speed limit for…

Thomas O
- 11,908
- 7
- 53
- 72
11
votes
1 answer
Did Napoleon introduce driving on the right side because he was left-handed?
Traffic has almost always been keep-to-the-left since at least the time of Rome until relatively recently.
Some historians, such as C. Northcote Parkinson, believed that ancient travellers on horseback generally rode on the left side of the road.…
user7920
7
votes
2 answers
Is a repaired car tire as good as a new one?
I recently had one of my car tires punctured by a screw. It lost pressure only very slowly, it probably took a couple of days before I noticed the tire was below pressure. The guys from the tire company removed the screw, and then somehow "fixed"…

BaGi
- 1,275
- 3
- 12
- 24
3
votes
1 answer
Are 95% of the world's roads unpaved?
I found the following claim on the website of an offroad motorcycle course company:
Over 95% of the world's roads are unpaved, so if you don't like to (or can't) ride in the dirt, you'll find yourself confined to a mere 5% of the planet. Source:…

Ben
- 1,243
- 8
- 20
-2
votes
1 answer
Do the U.S. interstate numbers correspond to land area?
This question is about the numbering scheme of U.S. interstate highways. Wikipedia says:
In the numbering scheme for the primary routes, east–west highways are assigned even numbers and north–south highways are assigned odd numbers. Odd route…

Quuxplusone
- 754
- 1
- 4
- 8