Accidents Data Collection: Case study in Japan
Satoru KOBAYAKAWA, Dr.Professor
NIHON UNIVERSITY
12th ATRANS ANNUAL CONFERENCE (2019.8.23)
2
02468
10121416
2003 2005 2007 2009 2011 2013 Year
U.S.AFranceGeramanyJapanU.K.
Road traffic accident fatalities per 100,000 persons
Source: IRTAD
Number of Fatalities(Person)
(Year)
Vehicle
Pedestrian
Motorcycle
Bicycle
Ratio of Motorcycle Fatalities
Others 21.1% Others 0.3%
Pedestrian42.0%
Pedestrian35.6%
Bicycle17.5%
Bicycle12.8%
Vehicle7.7%
Vehicle33.9%
Motorcycle 30.8% Motorcycle 17.4%
< in Tokyo> < in Japan>
N=143 N=3532
Injury part of body
We can say “Wearing a helmet is important”
Tokyo (2018) Tokyo (2014-2018)
Head52.3%
Head48.1%
Abdomen 4.5%
Chest29.5% Chest
26.9%
Abdomen8.2%
Others13.6%
Others16.8%
Minimum set of Data• Accident identification (a unique number-based
system) • Time (the date, hour, minute, day of week) • Location (general info, route, network, GPS)• Accident type (single veh., rear to head, veh and
ped, wrong way, etc)• Vehicles involved (number, type) • Accident consequences (fatalities, injuries, material
damage)
Features of Data set
• road description • specific places/objects • road alignment • road surface • road signing and marking • roadside obstacles • visibility conditions
• weather conditions• traffic control• position of accident • main causes of accident
What are Hiyari experience reports?
• Given by drivers, riders, and pedestrians.• Subjective reports of their experiences where
– A car nearly hit another car.– A pedestrian was nearly hit by a car.– A bicycle rider is sometimes scared by heavy trucks.– A pedestrian is sometimes chased by bicycles.– Etc.
8
Implementation of TSMSS The study of Traffic Safety Measure Support System
(TSMSS) has begun in 1997 supported by ITASS
Between 2001 and 2004, social experiments were conducted
in Chiba Prefecture Kamagaya city, Japan
From 2005 till 2006, the system, with the financial aid of
Land Policy Research Committee, applied the system to two
cities (Shiroi and Ichikawa) in Chiba Prefecture.
From 2008, TSMSS has applied to Other countries
10
交通技術者
LAN
データベース市 民
インターネット
同期サーバー サーバーWebDB
【Traffic Accident Analysis Sub System 】
【Hiyari Experience Input Sub System 】
・Input of accident data
・The accident analysis or measures plan
・Report of Hiyari experience
・Inspection of accident and measures information
server
Data base
Internet
Synchronous server
Traffic Expert
Citizen
Traffic Safety Measure Support System
The scheme assists • to promote consciousness of citizens about traffic safety • and to reach consensuses on implementing traffic safety measures.
10
Overview of the scheme
11
Overview of the schemeThe scheme uses an ICT system with Web GIS and the Internet that integrately manage• traffic accident data• and Hiyari experience reports from citizens.
GISMap display of Hiyariexperience data
Map display of traffic accident data
The integrated management of both data
High accident and Hiyari experience frequency location
Accident form of specific part
Hiyari experience DB
Map DB
Traffic accident DB
An integrated analysis of accidents and Hiyari experiences
02468
1012141618
0 20 40 60 80
No.
of H
iyar
iexp
erie
nce
repo
rts
per l
ocat
ion
No. of accidents reports per location
Both of accidents and Hiyari experiences frequently occurred
ヒヤリ件数-事故件数
59
46
31
10
9
32
28
12
76
35
27
13
13
10
10
31
24
14
2
39
3
27
14
8
36
16
14
11
11
9
8
6
4
52
40
34
20
20
17
16
16
15
14
12
11
10
9
8
8
8
7
7
7
5
4
4
4
1
1
54
50
47
34
30
28
27
22
21
19
18
17
16
15
13
11
10
10
8
7
7
6
6
5
4
3
3
3
3
3
3
2
2
2
2
1
1
1
1
1
1
28
28
23
22
18
18
16
14
14
13
13
12
12
12
12
11
10
10
9
9
9
8
8
7
7
6
6
6
6
6
6
6
5
5
5
5
5
5
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
16
11
10
10
10
9
9
9
8
8
8
8
8
8
8
7
7
7
7
6
6
5
5
5
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
鈴木さん
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13
Observation of road and traffic conditions on the site
Direction of Traffic surveyPosition of Spot speed investigationInvestigation section of the vehicle conduct
To Penang Medical College
To Hospital Pulau Pinang
To Jalan Brown
Observing spot speeds
The taking charge engineer in the place
Study Team member
Staff in the place
Traffic Accidents in Kamagaya city
Traffic Accidents in Kamagaya city
Traffic Accidents in Kamagaya city
All Accidents (2008-2018) Motorcycle Accidents (2008-2018)
Traffic Accidents in Kamagaya city
All Accidents (2008-2018) Motorcycle Accidents (2008-2018)
Traffic Accidents Analysis
• Traffic accidents were occurred by coincident• It is important to collect the traffic accident data• It also need to store the data• The hot spots were chosen• Analyze the reason that cause the accident• Consider the countermeasure of traffic accidents
Data & InformationAccident picture frameAccident picture frame and DATAAccident DATA – Collectors-ManagerAccident Related DatabasesRoad Accident Casualties – the Data�スライド番号 7Problem issue�road traffic accident cause of death Super simple concept�data integrationスライド番号 10スライド番号 11スライド番号 12スライド番号 13How to work in the next step?Final Remarks