Chris Vallyon - Improving Pedestrian Amenity in City Centres

22 Pages·2010·2.78 MB·English

IImmpprroovviinngg PPeeddeessttrriiaann AAmmeenniittyy iinn
City Centres
Chris Vallyon, Shane Turner, Shane Binder
[email protected]
CBD Environments
CBD Planning
"AAss tthhiinnggss ssttoooodd nnooww, aa ddoowwnnttoowwnn sshhooppppeerr nneeeeddeedd aa ffoouurr--lleeaaff cclloovveerr, aa
voodoo charm, and a St. Christopher's medal to make it in one piece from
one curbstone to the other” - Henry Barnes
Research locations
TThhree ciittiies iinvollvedd:
 Auckland
 Wellington
 Christchurch
RReesseeaarrcchh ccoommppoonneennttss
 Focus on Central Business Districts ((CBD)) / Cityy
Centre environments
 LLiitteerraattuurree rreevviieeww // iinntteerrnnaattiioonnaall pprraaccttiiccee
 14 intersections, 12noon to 1:30pm
 811 pedestrian interviews
 11,446655 wwaaiitt ttiimmee ppeeddeessttrriiaann oobbsseerrvvaattiioonnss
 Deterministic: aaSidra
 Micro-simulation modelling: S-Paramics, Aimsun
 SSttaakkeehhoollddeerr sstteeeerriinngg ggrroouupp
FFiinnddiinnggss:: OObbsseerrvvaattiioonnss
 Recommended wait time: 25-30 seconds
(International literature)
 Average Delay – Auckland – 53 seconds
 Average Delay – Wellington – 45 seconds
 AAvveerraaggee DDeellaayy – CChhrriissttcchhuurrcchh – 2255 sseeccoonnddss
 Combined Average – 41 seconds
((11,446655 obbservattiions))
CCoommpplleexxiittiieess ooff ppeedd rreesseeaarrcchh
 Identifying pedestrian delay
 Identifying ‘average’ walk speeds
 MModdelllliing peddesttriian bbehhaviiour // moddell lliimiittattiions
FFiinnddiinnggss –– LLiitteerraattuurree
 Link between delayy and frustration
 Link between delay and ignoring / avoiding signals
 TThhereffore: lliinkk bbettween ddellay andd roadd saffetty
– (but non-linear & difficult to quantify)
 >9900%% ooff ppeeddeessttrriiaannss ssuurrvveeyyeedd ssttaatteedd tthhaatt tthheeyy
would cross on a red or flashing red
Comppliance risk
~= delay vs. perception of safety
(including volume & gap intervals)
PPeeddeessttrriiaann PPrriioorriittyy
 Most pedestrian trips are short duration (less than
10 minutes)
 TThheerreeffoorree – ccrroossssiinngg ddeellaayyss aarree aa pprriimmaarryy ffeeaattuurree ooff
pedestrian trips
 EEachh miinutte off ddellay >> ++1100%% ttottall ttiime
 VOT “low” in NZ but VOT of delay = very high
MMiiccrroo ssiimmuullaattiioonn mmooddeellss
 Intersections:
– Lake Road, Takapuna, Auckland
(Aimsun)
– Albert / Customs / Fanshawe Street,
Auckland (Aimsun)
– TTaranakkii // CCourttney // MManners //
Dixon, Wellington (Paramics)