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Questions tagged [driving-speed]

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14
votes
0answers
320 views

Did unrestricted speed limits lead to fewer deaths in the Northern Territory of Australia?

Drive reports that a section of highway in the Northern Territory has has been switched back and forth between no speed limit, and 130 km/h speed limits over the past decade or so, with some dispute ...
1
vote
0answers
119 views

Does speeding increase the risk of accident? [duplicate]

The article, studies show higher speed limits do not increase accidents , claims that increased speeding does not increase your chance of falling into an accident. However, another article Speed and ...
18
votes
1answer
916 views

Does the establishment of a legal upper speed limit on highways lead to a reduction in traffic deaths and accidents?

The conventional wisdom is that established speed limits lead to an increase in safety. Speed limits are usually set to attempt to cap road traffic speed; there are several reasons for wanting to ...
14
votes
2answers
510 views

Does lowering speed limits by 10 km/h have any impact on air pollution?

Europe has been under exceptional sunlight for the past ten days, cf. Eumetsat's picture. According to French media, this prevents smog from escaping major hubs. In an attempt to reduce this air ...
8
votes
1answer
1k views

Did the Paul Walker crash happen at ~45 mph speed?

Heavy.com report that the car crash that killed actor Paul Walker was at about 40-45 miles per hour (64-72 km/h). They cite an NBCNews tweet: Update: Paul Walker was not drag racing at time of ...
48
votes
3answers
7k views

Are speedometers designed to read high?

Via word-of-mouth, I have twice heard claims that speedometers are deliberately designed to read high, so manufacturers would not be subject to litigation for speeding. When I first heard this claim, ...
12
votes
3answers
1k views

Will increased speed limits on motorways (or highways) cause significant harm?

The UK government has recently started a consultation on increasing the speed limits on motorways (roughly the equivalent of highways in the USA) in England. So it seems appropriate to pose the ...
16
votes
2answers
5k views

Do speed bumps cause more deaths than they save?

After a few speeding incidents in a residential neighborhood, some residents will clamor for speed bumps. In case your municipality does not have one, here is a picture of a speed bump (also AE ...
11
votes
1answer
3k views

Is it better to cross rough railroad tracks very slowly or at normal/higher speeds?

When encountering the average bumpy railroad crosssing such as the one pictured above, does slowing down almost to the point of stopping (as you would for a speed bump) produce less stress on the ...
41
votes
4answers
5k views

Is driving the speed limit on a highway safer?

I'd have thought this would have been asked already but I didn't see it. Is driving the speed limit safer on a highway? By "highway" I mean high-traffic areas, such as 4-lane divided thoroughfares. ...
21
votes
1answer
636 views

Do lower speed limits reduce gasoline usage?

There are three parts to this question: Does speed have an effect on miles-per-gallon? Is there a more accurate causal effect than speed that would also cause a connection at varying speeds? (perhaps ...