Tuesday, Oct 06, 2009 at 12:54
Mitza, I think you misunderstand the concept of speed limits - the posted speed is the MAXIMUM speed allowable in good conditions. There is no law to state that you must drive at that speed and in fact, if conditions deteriorate, drivers should slow down and "drive to the conditions" rather than just hurtling on mindlessly at the posted speed limit. This includes road conditions (eg. rough/uneven surface) or weather conditions or even vehicle conditions (eg. a 45 Series Landcruiser won't handle the curves (or wind) like a modern
sedan etc. not to mention that a "slow" driver could be nursing an 'injured' vehicle home, or using a 'space-saver' spare wheel).
I agree, it's annoying to be stuck behind slow drivers who build up 'fan clubs' behind them by not allowing/assisting people to overtake, and as a commercial driver trying to keep to a schedule/timetable I know that only too
well. But to expect people to "stick to the speed limit, no exceptions" seems not to be a
well considered view.
Perhaps another consideration might be fuel economy. To give an example, my early model Jackaroo used around 12.0L/100km, but after an engine rebuild, I was advised not to exceed an engine speed of 3,000rpm which, in top gear was around 85km/h. Driving at the reduced speed on the highway reduced fuel consumption to less than 8L/100km - hardly an insignificant saving.
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