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Your counter case of reckless teenagers is a strawman -- traffic deaths have dropped over the last few decades. Previous Poster didn't say there shouldn't be sp
by mattlutze 13y ago
Your counter case of reckless teenagers is a strawman -- traffic deaths have dropped over the last few decades. Previous Poster didn't say there shouldn't be speed limits, but was arguing against imagining that lowering a speed limit would generally do anything meaningful in reducing traffic speeds.
Speed limits, when using the textbook, are set by running a study of car speeds on a particular stretch of road, then setting the limit where something like 80% of drivers are at or under it. This survey is done with either cameras or those nearly invisible pressure strips they glue to the road surface, and most people drive through without noticing at their normal speeds.
If it's set slower for political reasons, obviously then many more people are going to naturally be driving faster than the limit. The primary function for this is to increase ticket revenues, not make people safer. Indeed, adding things to the road to make it feel like you need to slow down, and not just a speed sign, do more to control traffic speeds.
Alternatively, it's the one case where I'd consider arguments for speed cameras. Yes, they too only affect local traffic speeds (just before them and a little after). But if the concern is speed in a particular corner of a road, put one up. People will know they're there, slow down, and be safer.
- Shinkei 13y agoIt's not a strawman because eggregious accidents are the ones that generate excesive 'reactionary' changes to local roads. Particularly tragic accidents are the ones that can get political and media coverage necessary to cause 'knee-jerk' changes that are not necessarily evidence-based. The problem is drunks, immature drivers and seniors can and will continue to contribute to these issues regardless of the traffic laws. Also, traffic deaths dropping is irrelevant because there is no causal relationship. It could be safer cars, more seatbelt use.... heck, changes in weather patterns or population densities could all contribute and it's going to be futile to argue laws may prevent traffic accidents. The point is that when an accident happens, laws need to be on the books so that people can be prosecuted for their mistakes.
- mattlutze 13y agoSo if egregious accidents will contribute to 'knee-jerk' changes regardless of traffic laws, it is indeed a non-argument and a strawman when considering the case of changing the way traffic laws are set. I poorly supported that with the traffic deaths dropping bit, quite true. Separately, it would be more apt to observe that traffic speed limits set not with respect to natural driving speeds are shown to increase traffic collisions, because speeds set too high will have some drivers naturally driving far too slow to be safe, and speeds too low will also have drivers driving too slow (the posted limit) versus the natural speed of the road which some will drive.