Friday, July 11, 2008

Just hitting fifty.

Here in the UK petrol prices are rather high at the moment. Motorists grumble at the high prices and generally get on with life. However, this past week I have noticed some rather annoying car drivers on the motorway network cruising along at just 50 mph. They believe that they are saving fuel by driving so goddamn slow when their vehicle limit is 70 mph. The problem is that whilst they are dawdling along at 50 mph lorries are coming up behind them at 56 mph. These lorries then have to try and move out into the 2nd lane to overtake these dawdlers. This action of a constant stream of lorries moving into the 2nd lane causes the whole motorway to slow down and for dangerous bunching to take place. Braking distances are reduced between following vehicles and the amateur drivers start hitting the brakes which has a knock on effect for up to 2 miles behind the dawdler.

These dullards dawdling along at 50 mph on our motorway network are a dangerous nuisance. They are very inconsiderate of other road users and are clearly not making reasonable progress. They are so stupid that they put themselves in the very silly position of constantly letting 44 ton lorries bear down on them with a gain of 6 mph. One false move and the dullard is off to the funeral home. The last thing you want to do on any of our motorways is to piss off the lorry drivers. Yet these dullards continue to dawdle along at 50 mph regardless of the safety implications or any consideration for other road users.

It is not much to ask that car drivers use the motorways sensibly at speeds that do not let them get in the way of lorries running at 56 mph. Any sensible car driver will happily drive at 60 mph or more on our motorways which will increase everyone's safety and reduce their journey times a great deal with very little extra cost than dawdling along at 50 mph.
Comments:
I have changed my driving style and noticed a 25% improvement in fuel efficiency. As you say though you have to balance your style against the demand of safety on the roads. Alone on quiet roads I will happily do 40/45 on my way to/from a nightshift, increasing my speed to 50/55 if traffic builds up and they cannot overtake.
On dual carriageways 60 is the compromise speed for exactly the reasons you state. Apparently 60 is still quite fuel efficient too.
 
Yes, 60 mph is fuel efficient. When you go over 65 mph your car will start to waste fuel. I do not think that my car, a Citroen C3 l.1 will manage to pull 40/45 mph cleanly in top gear for optimum fuel efficiency and doing 40/45 mph in 4th gear may use more fuel than 50/55 mph in 5th gear. Peak torque is at 3,300 rpm. Just a thought.
 
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