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C3FT close pass measurement deviceThe handlebar sonar unit that measures passing distance
BikeBiz reports on a bike-mounted system that can calculate the proximity of passing vehicles. The C3FT device has been developed for the enforcement of safe passing laws by Austin-based engineering firm, Codaxus.
The C3FT uses an ultrasonic detector on an adjustable arm with the measurements immediately displayed on a numeric display. The device can also be set up to buzz when a vehicle passes inside a preset threshold.
The Chattanooga Police Department currently makes use of the system to enforce a 3ft passing law, reasoning that judging distance by eye or from video footage is difficult. Codaxus suggests that it could also be used by researchers and local authorities and there is also scope for it to be used by the public in combination with a helmet cam should a person need to prove that a car passed them dangerously closely.
BikeBiz editor, Carlton Reid, recently produced a video in which Chris Boardman explained how to safely overtake a cyclist. The video, also featuring cycling club Exeter Wheelers and master driving instructor Blaine Walsh, demonstrates how much room a cyclist or group of riders need, and why they might need it, including to avoid imperfections in the road.
Alex has written for more cricket publications than the rest of the road.cc team combined. Despite the apparent evidence of this picture, he doesn't especially like cake.
Latest Comments
- Bungle_52 4 min 33 sec ago
https://www.bbc.co.uk/news/articles/cdxy1kp73y9o Do as we say, not as we do? Also note the correct spelling of "offence".
- brooksby 23 min 35 sec ago
The rhino in the room is that the bus/coach/large-passenger-transporter driver is also supposed to be ready to stop/give way to people crossing the...
- mark1a 13 min 26 sec ago
According of ofcom, all four networks (and their dependent mvno services) will have switched off 3G by 2025. Currently, EE, Vodafone and Three are...
- Benthic 29 min 47 sec ago
There's no need for foul language.
- AidanR 42 min 40 sec ago
It is astonishing how cheap you can get bikes for on eBay if you're happy with rim brakes!
- thax1 53 min 24 sec ago
Favero Assioma power pedals £249 single/ £369 dual on their website.
- eburtthebike 1 hour 19 min ago
Either due to normal fluctuation or reduced levels of cycling i.e. not a real reduction.
- jamesha100 11 hours 14 min ago
I have been in Belfast for work this week and have been shocked by the congestion around the city centre. There are lots of frustrated drivers...
- David9694 11 hours 36 min ago
Cyclists should be made to have insurance etc https://www.thetelegraphandargus.co.uk/news/24757516.four-vehicles-seize...
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19 comments
Can't see this being any use in the UK except for research purposes, the results of which no-one would give a monkeys about.
Why not have these fitted to cars as standard and have them shout "oh cock" James May style as the engine goes into safe mode until the police attend to reset the unit. Police don't need to issue a ticket or anything, I'd imagine the inconvenience and embarrassment should be enough.
I think that law in France was introduced because motor vehicle drivers were no longer giving cyclists a full lane of space. It is a bad sign rather than good.
So it worked then, all the more reason to update the UK law and educate drivers. It's bad in the UK right now.
Of course the device is only really useful if you have a law stating minimum passing distance, such as the French have. In France drivers are required by law to give cyclists 1.5m clearance when passing, which is probably why cycling in France feels so much safer then here.
The device can also be set up to buzz when a vehicle passes inside a preset threshold.
In this country it would be going off almost constantly.
All we need is for Fulcrum to integrate these in to their wheels. http://www.superyachts.com/syv2/newsimages/650/500/90/c/3c07/cms/luxury_...
At least we now have proof when we chase motorist down and chastise them for passing too close.
(Sits back and waits for the next enslaught of YouTube vids)
I've got one of those fitted internally, it might not be all that accurate, and it makes me shout 'C*NT!' which might not look that great on any video footage.
Makes me feel better though.
Ditto, I'm having trouble turning the "shout 'C*NT!'" feature off.
Just hook up to a magnetically attaching car-mine on a delayed fuse and I'm golden!
Instead of a buzzer notification, it just needs to be integrated with paintball gun to fire at the offenders.
Achieve the same result in the UK by tying a beehive to your handlebars.
Sounds like a great idea, although the beehive might effect the aerodynamics of the bike, and how much does a beehive weigh?
I wonder how many people in The Netherlands would want or need one of these? Or Denmark, Finland, ...
In Denmark, lots. Outside of Copenhagen, that is. It's only really Copenhagen with the world-class infra.
The city installed 3kms of bike paths each year – but for 80+ years.
None, proper infrastructure and respectful attitude make the whole overtaking a non issue.
I want the distance figure overlayed onto whatever helmet/handlebar camera is in use at the time. Along with ANPR, and a mobile phone use blocking device that specifically targets drivers and not passengers.
Is this possible taking things a little to far? Or is this the future of self preservation....