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After a request to cross (by button press), a kerb side detector monitors the pedestrian's presence at the crossing. Should the pedestrian cross prematurely, walk away from the crossing, or wait outside the detection area, the pedestrian's request to cross could be automatically cancelled. This is so
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They have two sensors on top of the traffic lights (pedestrian crossing detector; PCD, and pedestrian kerb detector; PKD). These sensors detect if pedestrians are crossing slowly and can hold the red traffic light longer if needed. If a pedestrian presses the button but then walks off, the PKD will
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Unlike the older pelican crossing designs, where the pedestrian signal lights are mounted on the opposite side of the road, the puffin crossing has them mounted at the near road side, set diagonally to the road edge. This allows the pedestrian to monitor passing traffic while waiting for the signal
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Concerns have been expressed that Puffin crossings may be less safe than
Pelican crossings due to the nearside indicator not being visible while crossing, and being at a different focal length, reducing traffic awareness. The indicator box itself also blocks the view of the road completely for
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announced that they would stop installing
Puffins, saying that "Pedestrians have previously indicated to us that they dislike the uncertainty of not knowing whether the 'green man' is still lit once they have started crossing, which happens with nearside signals."
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traffic is not halted unnecessarily. An on-crossing detector ensures that the signal for vehicles remains red until pedestrians have finished crossing (within practical limits). Unlike the pelican crossing, there is no transitional "flashing" phase.
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The "Maximum
Traffic Green Timer" is started either when the pedestrian push button is pressed or when the traffic signals first turn green after the previous pedestrian phase. The latter arrangement is termed the "pre-timed Maximum Facility".
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in that the lights signalling to the pedestrians are on the same side of the road as the pedestrian, rather than across the road. From 2016, pelican crossings began to be phased out in the United
Kingdom, to be replaced with puffin crossings.
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Some push-button units (the lower box in the image) are also fitted with a tactile knob under the unit which rotates when the user may cross. This feature is to assist visually impaired people who struggle to see the light change.
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also said that year that they would not be installing low level indicators at busy city centre crossings, expressing concern that the pedestrian indicator could be obscured by crowds.
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found that
Puffins were safer than Pelican crossings with fewer pedestrian accidents and fewer involving cars, despite confusing pedestrians.
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shorter pedestrians due to being installed at head height. However, a 2005 study commissioned by the
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to cross. A second reason for the design is that having the lights closer to the user assists
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The pedestrian phase will start at the moment all three of these conditions are fulfilled:
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the pedestrian push button has been pressed since the end of the last pedestrian phase
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people who could have difficulty viewing the signal from across the carriageway.
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the detectors indicate that a pedestrian is still waiting to cross
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Puffin Good
Practice Guide Video, UK Department of Transport
234:"Inquiry launched into 'Puffin' crossings amid safety fears"
342:. UK Department of Transport. February 2001. Archived from
324:. UK Department of Transport. January 2002. Archived from
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cancel the request making the lights more efficient.
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462:
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319:"The Installation of Puffin Pedestrian Crossings"
260:"Puffin crossings – a blunder? – Page 64 – SABRE"
151:O'Flaherty, Coleman; Bell, Michael G. H. (1997).
16:Type of pedestrian crossing in the United Kingdom
189:. Department for Transport. 2006. Archived from
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96:the "Maximum Traffic Green Timer" has expired
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236:. Road Safety GB. 3 May 2012. Archived from
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414:Pedestrian crossings in the United Kingdom
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154:Transport Planning and Traffic Engineering
482:Embedded pavement flashing-light system
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184:"Foreword, Puffin Good Practice Guide"
56:The design is distinct from the older
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33:(its name derived from the phrase "
306:, UK Department of Transport, 2006
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285:The History of British Roadsigns
419:Pedestrian separation structure
25:A puffin crossing control panel
53:in use in the United Kingdom.
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551:Walking in the United Kingdom
337:"Puffin Pedestrian Crossing"
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303:Puffin Good Practice Guide
214:. Department for Transport
49:telligent") is a type of
289:Department for Transport
262:. Local Transport Today
127:Birmingham City Council
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24:
546:Pedestrian crossings
399:Guerrilla crosswalks
385:Pedestrian crossings
122:Transport for London
409:Pedestrian scramble
291:, 2nd Edition, 1999
240:on 12 February 2015
51:pedestrian crossing
196:on 3 January 2009.
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349:on 8 August 2007.
331:on 8 August 2007.
287:, United Kingdom
164:978-0-340-66279-3
76:visually impaired
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429:Pelican crossing
424:Pegasus crossing
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212:The Highway Code
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434:Puffin crossing
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508:Other aspects
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264:. Retrieved
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242:. Retrieved
238:the original
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216:. Retrieved
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191:the original
157:. Elsevier.
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487:HAWK beacon
266:13 December
244:12 February
540:Categories
208:"Rule 199"
133:References
37:edestrian
498:XiaolĂĽren
392:Crossings
120:In 2014,
515:Curb cut
108:Concerns
69:Function
45:riendly
218:18 June
463:Lights
439:Subway
314:, 2006
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347:(PDF)
340:(PDF)
329:(PDF)
322:(PDF)
194:(PDF)
187:(PDF)
138:Notes
268:2016
246:2015
220:2012
159:ISBN
41:ser-
115:DfT
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210:.
173:^
47:in
29:A
377:e
370:t
363:v
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222:.
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43:f
39:u
35:p
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