safety of vulnerable user : pedestrian zone project · 1.adding 1 crosswalk reflecting desire line...
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Safety of vulnerable user : pedestrian zone project
The UN ESCAP Expert Group Meeting
8-10. May 2013, Seoul, Korea
Ministry of Land, Infrastructure and Transport
Korea Transportation Safety Authority
Byongho Choe
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1. Problematic C
O
N
T
E
N
T
S
2. Pedestrian Safety
3. Pedestrian Zone Project
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ESCAP has 12.48 deaths per 10.000 vehicles compared to OECD showing 1.12 killed. More than 50% of fatalities are subject to pedestrians in Bangladesh, Philippines. With similar registered vehicles, however, Cambodia and Kazakhstan have smaller than 20% pedestrians killed on roads.
Re
giste
re
d ve
hicle
s (in
1
0 0
00
)
Fatality of pedestrians (%) 3
24
% o
n ave
ra
ge
(1
6%
O
EC
D)
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The higher the speed limit in built-ups is, the more probable would happen that pedestrians be killed on the streets.
In those countries like Bangladesh, Philippines are pedestrians poorly protected with facilities though laying speed limits in cities relatively low
Sp
eed
lim
its (k
m/h
)
Fatality of pedestrians (%)
52km/h on average
safe
unsafe
risky
4
safe?
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Pedestrian fatality by accident form
risky while
crossing the
crosswalk
no protected
right-of-way
of pedestrians
even on feeder
roads
5
1. Problematic
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30-zone ?
This place is a hot-spot involving pedestrians who jaywalked a pedestrian crossing. Look left and right prior to making use of crosswalk lest you should get run over .
three-lane (9 m)
fences for what?
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width, parking, pavement
width, parking, pavement
width, school bus
lane, width, fence, strip
source : Road Safety Auditor Training Manual, KOTSA, 2007
7
2. Pedestrian Safety
Bad example of 30-zone
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fence
separation
width, separation
width, separation
2. Pedestrian Safety
Bad example of 30-zone
8
source : Choe et al., Traffic Safety Planning for Ansan, 2012
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Bad example of 30-zone
Jinhung
Sungan
Such spots exceeding 38 km/h are equipped with fences, image humps,
excessive widths.
2. Pedestrian Safety
source : Choe et al., Traffic Safety Planning for Ansan, 2012
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10
25 traffic calming zones in ANSAN are
observed using speedometer, with a
view to verifying the effect of road
equipments upon speed.
Speed measurement in 30-zones
12 spots(red-tinged) do not function
adequately due to exceeding 38 km/h.
2. Pedestrian Safety
source : Choe et al., Traffic Safety Planning for Ansan, 2012
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R2 = .7
R2 = .7
Analyzing speed for periods of time, number and width of lanes are supposed to be related with speed.
The more lanes, the broader the road, it is very likely to exceed speed limit.
Factors impacting on speed
number of lane
width of carriageway (m)
2. Pedestrian Safety
source : Choe et al., Traffic Safety Planning for Ansan, 2012
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Effect of forcing functions
12
2. Pedestrian Safety
source : Choe et al., Traffic Safety Planning for Ansan, 2012
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Good examples of 30-zone
Bono
Sungmo
Such spots complying with speed limit are equipped with narrowing, hump,
and no fences that make kids visible all around.
2. Pedestrian Safety
source : Choe et al., Traffic Safety Planning for Ansan, 2012
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The longer visual point of focus the higher the driving speed! For pedestrian safety, driving scanned is better to design than being focused.
alternating parking lots
roundabout
Good examples of 30-zone
source : Choe et al., Traffic Safety Planning for Ansan, 2012
2. Pedestrian Safety
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15 source : Choe et al., Study on Hot-Lengths involving Pedestrian, 2009
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source : Choe et al., Study on Hot-Lengths involving Pedestrian, 2009
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17 source : Choe et al., Study on Hot-Lengths involving Pedestrian, 2009
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chicane
narrowing
speed cushion
chicane
Crossing aids for pedestrian
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pedestrian island
pedestrian island
central reserve
pedestrian island
Crossing aids for pedestrian
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Crossing-over accidents
20
source : Choe et al., Traffic Safety Planning for Yongin, 2009
2. Pedestrian Safety
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Improvement scheme source : Choe et al., Traffic Safety Planning for Yongin, 2009
2. Pedestrian Safety
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Crossing-over accidents source : Choe et al., Traffic Safety Planning for Ansan, 2012
2. Pedestrian Safety
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- traffic violations are mostly done by adults(42%), followed by teenagers(34%)
- crossing outer crosswalk is seen mainly by senior(38%), followed by adults(30%)
Desire lines of pedestrians source : Choe et al., Traffic Safety Planning for Ansan, 2012
2. Pedestrian Safety
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1.Adding 1 crosswalk reflecting desire line of pedestrians
2.Extending and raising sidewalks for means of minimizing conflicts
3.Installing central reserve for means of assisting the crossing safely
Improvement scheme source : Choe et al., Traffic Safety Planning for Ansan, 2012
2. Pedestrian Safety
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Recommendations for pedestrian safety
25
☞ school zone, senior zone designated by police due to lack of differentiation in design concept have to be subsumed in pedestrian zone ☞ pedestrian zone has to be equipped with forcing functions, otherwise disapproved of installation ☞ installing no more fences, no more traffic islands, applying extensively chicane, pedestrian islands ☞ obligation of RSA on 30-zone before designation ☞ compulsory monitoring and data based follow-up saving potentials for which kinds of road facilities
2. Pedestrian Safety
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National plan for disseminating pedestrian zones
☞ pedestrian safety takes precedence over fluidity ☞ roads shared due to difficulty of separation ☞ as of 2007 pilot projects in 23 cities in progress
3. Pedestrian Zone Project
26
1. period
(9 sites)
2. period
(6 sites)
3. period
(3 sites)
4. period
(3 sites)
5. period
(2 sites)
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Decision criteria for selecting project sites
3. Pedestrian Zone Project
27
☞ to sort out sites in view of making grants for either design or construction ☞ to evaluate road functions and meanings of sites of concern ☞ to evaluate possibility of making sure funds needed ☞ to evaluate strength of will to get through
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Public Hearing
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Resolution of pedestrian zone by consent
3. Pedestrian Zone Project
29
illegal parking :
break-off waling line
high traffic
narrow at bus stop
wide carriage way, confined
sidewalk
insufficient connection
scant waiting sphere
conflict with car
break-off walking line
narrow sidewalk
illegal parking on sidewalk
hazards, poor marking
narrow sidewalk
road diet
road diet
public garden
sidewalk extend
rugged pave
public garden
sidewalk remove
sidewalk
sidewalk, forcing function
forcing functions
chicane with parking lots
rugged pave
problems defined
measures adjusted
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Before
After
Improved pedestrian safety
local authority
inhabitants
speed reduced 58,8%
no cuts 50%
Improved walk-ability
local authority
inhabitants
no illegal parkers 66,7%
room for walkers 66,7%
Project satisfaction
local authority
inhabitants
discontent
content
3. Pedestrian Zone Project
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Before
After
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Before
After
· speed in traffic of 23 km/h has been reduced to 16 km/h
· illegal parking of 59 vehicles/m has been reduced to 33 veh./m
· traffic volume of 427 vehicles/h has been reduced to 289 veh./h
· casualties of 10 pedestrians/km has been reduced to zero
· sales of stores have shown a 89,5% increase over preceding years
Outcomes of pedestrian zone
3. Pedestrian Zone Project
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Further considerations
33
☞ making it a rule to ban vehicles in pedestrian zone - 70% of accident rate is explained by vehicle mileage - the lower vehicles in traffic the fewer casualties ☞ putting one-way and cul-de-sac as integral elements ☞ permitting no through traffic of heavy goods vehicles ☞ applying street furniture typical of shared space ☞ imprinting pedestrianism through steady road-diet ☞ integrating road safety with criminal safety - Gender Mainstreaming as a special part of RSA - virtual use of carriageway in view of transparency, easiness of jaywalking, visibility, social control etc. - subjective fear spaces out of feminine perspective
3. Pedestrian Zone Project
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