But it's only directed at the site workers. In theory a specialist audience who should *know* the rules for safe working ??? It's not meant for the great unwashed ...
Read the full replyDriving through the M6 roadworks I noticed that there were signs for the site speed limit (i.e. where the work is being carried out) that were for
Struck me as an odd number ...
SWMBO suggested it was to prevent moronic drivers mistaking them for road speed limits. But apart from the placement, the colours were completely different, so I doubt that.
Anyone know any better ?
But it's only directed at the site workers. In theory a specialist audience who should *know* the rules for safe working ???
It's not meant for the great unwashed ...
It's to make people take more notice, I think. If you're extremely bored, and have a spare 3 minutes, there's a video about a town in the US that has a 31mph limit throughout.
Like then BBC reporter, doing a documentary, took his filem crew onto a building site and said "Hard Hats don't apply to us!"
It is. ;-)
Cheers, T i m
Thin edge of the EUSSR wedge.
11mph=20kph?Is it a direct conversion from kilometres per hour? of course it could just be somebody being silly.
Brian
Your arithmetic is pretty poor Harry
Odd speed limits (I think they also use 21mph) was among the suggestions from road workers asked to propose measures that would increase site safety. The idea is that people actually notice them and think about their speed. Apparently it has been very effective.
Next he will be telling you that 56MPH is the most economical speed to drive a car:-)
No, it's not. I thought of that.
No. Do your arithmetic.
C'mon guys. it's easy enough to do in your head.
Google says it's 17.7028 kph.
on a similar subject, what do the solid green lights on various motorway maintenance vehicles mean? They appear alongside the usual flashing orange.
An alternative reasoning is that only statutory authorities are allowed to erect speed limit signs, usually with a TRO. If you don't have a TRO, you can't 'impersonate' a speed limit sign.
However, a red circle with '11' written inside it is 'obviously' not a speed limit sign, because it's not on the prescribed list of approved signs. So they're free to erect it in places that they don't have a TRO - and it has no legal force.
I'm not sure if this argument holds any more, if it ever did, because the rules for signage have been loosened up recently. Instead of an absolute list, each sign has 'permitted variations'. In the 2016 TSRGD it just says 'the numerals may be varied', without restricting what they can be varied to.
Theo
I'd meant to ask about that after spotting it on the M5, then forgot...
Multiplying by 8 and dividing by 5 is close enough. Which, AISB, can be done in your head.
mutiply by 16 and move the decimal point
It is exactly the Fahrenheit equivalent of 520'C in feet per minute.
HTH
Have something to add? Share your thoughts — no account required.
Ask the community — no account required