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boucle recensée/tube recensé

English translation: inductive loop/pneumatic tube


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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
French term or phrase:boucle recensée/tube recensé
English translation:inductive loop/pneumatic tube
Entered by: Claire Cox
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13:53 Dec 12, 2006
French to English translations [PRO]
Tech/Engineering - Transport / Transportation / Shipping / Traffic survey
French term or phrase: boucle recensée/tube recensé
These are two terms at the foot of a traffic survey

BR Boucle Recensée (unité véhicule)
TR Tube recensé (unité paire d’essieu)

The two terms are never used at the same survey location, so it obviously relates to the way in which they're counting vehicles. I thought at first that boucle might be a return journey, ie. a lap, but it says elsewhere that the traffic direction is not relevant.

Any suggestions gratefully received as ever.
Claire Cox
Local time: 01:45
inductive loop/pneumatic tube
Explanation:
Traffic counting methods

Pneumatic road tube: a rubber tube that is placed across the lanes that uses pressure changes to record the number of axle movements in a counter placed on the side of the road.

Inductive loop: a wire embedded in the road in a square formation that creates a magnetic field that relays the information to a counting device at the side of the road. This has a generally short life expectancy because it can be damaged by heavy vehicles, and is also prone to installation errors.

http://people.hofstra.edu/geotrans/eng/ch9en/meth9en/ch9m2en...
Selected response from:

Graham macLachlan
Local time: 02:45
Grading comment
Thanks Mactrad - it all becomes clear!
4 KudoZ points were awarded for this answer



Summary of answers provided
4 +1inductive loop/pneumatic tube
Graham macLachlan
3loopAlain Pommet


Discussion entries: 1





  

Answers


19 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
inductive loop/pneumatic tube


Explanation:
Traffic counting methods

Pneumatic road tube: a rubber tube that is placed across the lanes that uses pressure changes to record the number of axle movements in a counter placed on the side of the road.

Inductive loop: a wire embedded in the road in a square formation that creates a magnetic field that relays the information to a counting device at the side of the road. This has a generally short life expectancy because it can be damaged by heavy vehicles, and is also prone to installation errors.

http://people.hofstra.edu/geotrans/eng/ch9en/meth9en/ch9m2en...

Graham macLachlan
Local time: 02:45
Specializes in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 317
Grading comment
Thanks Mactrad - it all becomes clear!

Peer comments on this answer (and responses from the answerer)
agree  xxxBourth: And when there are two rubber tubes close together, they're counting vehicles and monitoring speed.
3 hrs
  -> neeowwww!
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21 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5
loop


Explanation:
This Belgian site talks about traffic sensors. It may be helpful.


    Reference: http://services-techniques.met.wallonie.be/en/road_traffic/s...
Alain Pommet
Local time: 02:45
Native speaker of: Native in EnglishEnglish
PRO pts in category: 56
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