This explains all...
A quick perusal suggests, to me, that the lower the advisory speed the more likely it is to the safe speed for that corner/curve.
But as always, it is entirely up to the driver/rider to make the final call...
Don't wanna get hung up on the topic of speed advisory signs, but it's the absence of such a sign on a corner that desperately needs one that baffles me. It also seems the sign is only ever close to the mark when it's originally planted there, subsequent minor changes in curvature/alignment often seem to make the sign wrong.
Number of roads I travel for work have lots of speed advisory signs, some of those corners can comfortably be taken well in excess of the suggested speed. What catches less experienced drivers out is those corners without that magic sign, the radius tightens up or the mid corner bump catches them out, all while travelling below the limit. One section, SH4 from the Eight Mile junction thru to Taumarunui has quite a few corners without advisories, which should by rights have them. No wonder some tourists and weekend warriors struggle once off the motorway...
No substitute for good training and riding/driving within ones' ability.
Good to hear the OP did sensible training though. As for some of the not so mature things done along the way, well, we've all done some funny stuff in our early years haven't we?
I know from personal experience that any given corner can be taken quite safely at well above the posted recommendation - given a well maintained vehicle and good road conditions.
These speed recommendations were originally set by a car with a ball in the back window on a vertically curved track. The highest speed at which the ball stayed in the middle is what went on the sign. This is a very sedate pace indeed for most corners.
Personally I prefer the Swiss system - NO recommended speed signs whatsoever. Over there you're expected to be able to think for yourself.
"Those who would give up essential liberty to purchase a little temporary safety deserve neither liberty nor safety." - Benjamin Franklin (1706-90)
"I would rather be exposed to the inconveniences attending to much liberty than those attending too small a degree of it." - Thomas Jefferson (1743-1826)
"Motorcycling is not inherently dangerous. It is, however, EXTREMELY unforgiving of inattention, ignorance, incompetence and stupidity!" - Anonymous
"Live to Ride, Ride to Live"
"Those who would give up essential liberty to purchase a little temporary safety deserve neither liberty nor safety." - Benjamin Franklin (1706-90)
"I would rather be exposed to the inconveniences attending to much liberty than those attending too small a degree of it." - Thomas Jefferson (1743-1826)
"Motorcycling is not inherently dangerous. It is, however, EXTREMELY unforgiving of inattention, ignorance, incompetence and stupidity!" - Anonymous
"Live to Ride, Ride to Live"
There are two corners up here which still catch me out. I can never quite remember where they are in the sequence of things. Having been in the same situation with eyeballs pressed against the visor thinking "Where the fuck has the road gone.." I manage to stay safely in lane but usually something ends up scraping. One is signposted 25kmh, possibly optimistically, the other is unmarked.
I love em!
Manopausal.
The one I almost over shot was on the Coromandel , when you see a posted recommended speed limit to safely take a corner, most will have their interpretation of what that sign means to them. It's unusual to see 25km corner (not in the South Island I understand) and the mind doesn't quite register it as that when you see one, until you're right on it.
I know what you are saying. There are also a couple of corners down here on the way to Queenstown too which are marked 55 and the other 35 respectively. Sir Issac Newton wont give a flying F if you are driving in a Lamborghini or bestest handlingest Ferrari. When that corner says 35, it really means slow right down.
If you can make it on Kiwibiker you can make it anywhere.
I usually aim for double. Low speed ones are easy is the higher speed ones i usually take a bit of care eg of it says 75 I'll do 120 or so.
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