Whilst we’re waiting for kindle’s story, I’ll keep you entertained with one of my own…
Having read Pete’s newspaper link, I can honestly say that the Swiss have had laser measuring technology since at least the 80’s. 
As written in Pete’s link, drivers have long suspected that Swiss measuring tapes are calibrated in far shorter centimeters than everybody else’s.
I have to confess that I was once a serial (overheight) offender in Switzerland. 
The Swiss fine was preferable to the Italian fine for the same offence, so we went by the scenic route.
Once over the Italin border, we waited for the exemption contained in our night permit to come into effect.

I’ve had the misfortune to be a victim of an ingeniously fiendish Swiss height measuring device. Once, on the ascent to the St Gottard tunnel, innocently plying my trade in the direction of Italy, a couple of nice Swiss police persons pulled me over so that I could assist them with their enquiries. 
I was promptly busted and relieved of FF440. Yes “FF” 
You see, they’re so helpful that they had a currency converter and were prepared to accept French Francs. They even gave me a pukka receipt, for the exact amount in FF, that said I had the option of appealing the fine. Wasn’t that nice of them? Appeal… yeah right, TBF they had me dead to rights for 20cm too high.
The strange part of this tale is that I knew of a ‘laser’ type height indicator part way up that hill. I know this, because I’ve personally set it off more than once, but didn’t get pulled for it. Once triggered by an overheight vehicle, it made a very loud noise similar to a shotgun, and just as loud. The nice police persons, knowing that there was nowhere for you to go, would simply wait for you to arrive at the tunnel entrance at the top of the hill. 
On the fateful day, I thought there’d be no problem, because I hadn’t actually set off the alarm. Once pulled, I explained in polite and good German, that the height indicator hadn’t sounded. To no avail. The “shrunken” telescopic measuring staff was produced from their car boot, and hey presto, yours truly got yet another ticket. 
TBF, considering all the times I’d got away with it, you might say that it was poetic justice, and I might just agree. 
A little too high… 
