COUNTERMEASURES AGAINST WRONG-WAY DRIVING ON EXPRESSWAYS IN JAPAN Tomoyuki Adachi West Nippon Expressway Company Ltd.

Transcription

1 COUNTERMEASURES AGAINST WRONG-WAY DRIVING ON EXPRESSWAYS IN JAPAN Tomoyuki Adachi West Nippon Expressway Company Ltd. 1

2 Today s Presentation 1.Introduction 2.Wrong-Way Driving Locations 3.Warning Signs and Sensors 4.Autonomous Detection System 5.Roadside Detection System by CCTV 6. Vehicle-to-Roadside Collaboration System 7. Conclusions 2

3 1. Introduction 3

4 Expressways in Japan NEXCO group Total (a of March 2006) Service Length 8,286km East NEXCO West NEXCO Central NEXCO Japan Bridge Co. Hanshin EXPWY Co. Metropolitan EXPWY Co. 4

5 Introduction Driving wrong way on expressways causes serious traffic accidents with causalities that may involve innocent drivers. 5

6 Introduction Increase Level of Safety Increase of Elder Drivers Prevent Wrong-Way Driving Project [May 2009] Various countermeasures have been applied to reduce wrong-way driving on expressways Based on the statistics on traffic accidents 6

7 Some Data.. Number of Accidents caused by Wrong-Way Driving on Expressways (NEXCO-West) (Number of accide ents) Accidents involved with property damage Accidents involved with casualties and injuries (Year) 7

8 Some Data.. Number of Wrong-Way Driving Cases on Expressways (NEXCO-West) (Number (Number of Wrong-W of accid Way dents) Driving) (Year) 8

9 Statistics (by Drivers Age) Wrong-Way Driving Accidents by Drivers Age 45% are 65 years old or older 75 years old or older 29.3% 22 cases 65 to 74 years old 16.0% 12 cases 16 to 29 years old 12.0% 9 cases 50 to 64 years old 18.7% 14 cases 30 to 49 years old 24.0% 18 cases N=75(except 9 cases that ages are unknown) (Statistics from 2003 to 2007) 9

10 2. Wrong-Way Driving Locations 10

11 Wrong-Way Driving Locations SA PA (12) 17.4% JCT (3) 5.6% Thru Traffic (18) 26.1% IC (36) 52.2% (69 Samples) Data From NEXCO-West ( ) 11

12 Wrong-Way Driving at Interchange 5 CASES CASES CASE 12: 不明 4 CASES 1 CASE 7 CASES CASES 15 CASES 6 料金所料金所 7 駐車場 CASE 1 CASES 2 CASES 9 4 CASES 12 一般道 10

13 3. Warning Signs and Sensors 13

14 Warning Signs and Sensors 8 Sensors are installed About 420 units will be installed in the near future Installation of Warning Signs and Sensors Warning Sign Sensor Danger. Wrong Way 14

15 Installation of Cones and Posters Measures at the interchanges merge lane At Interchanges Merging Lane Flier 15

16 4. Autonomous Detection System 16

17 Autonomous Detection System Innovative measures to prevent Wrong-Way Driving Using GPS (97% are detected) Visual and Audio alert (In Practical Use within a Year) Right Direction 逆走を検出しました! Wrong Direction Driving wrong way! 17

18 Autonomous detection system (4) Leaving the Effective effective Detection judgment Area range (Back? Goes to back to Condition condition (1)) (3) Assessment and Warning (2) Creating Assessment Zone and Direction Rest area Assessment Zone Effective judgment Detection range Area (1) Detection of Approach Way Entrance 18

19 Autonomous detection system Validation Test - Location: New Meishin Expressway (ramp not yet opened) - News reports: by 8 TV stations, 13 newspapers and magazines - Validation items: Detection accuracy of wrong-way driving, accuracy of wrong way report screen/voice The Devices Functioned as Expected Test under actual driving conditions - Zone: Expressways operated by NEXCO-West (about 300 spots, approx. 7,700 km) Validation: Function of about 90% of the installation spots was validated Will be expanded to other expressways and local roads 19

20 Autonomous detection system 対 The 応 System 可能なWorks シーンin Cases of; Wrong-way driving on the SA/PA/IC access roads with simple geometry 一般的な形状の S A / P A / IC 進入路からの逆走 The System does not Work in the Cases of; 対応できないシーン SA/PA/IC with complicated geometry 複雑な形状の S A / P A / IC SA/PA/IC where GPS signals cannot be received G P S が受信できない S A / P A / IC U turn in the through traffic lane 上空に高架橋がある場合や周辺が高い塀に囲まれた場合等 本線上での U ターン Erroneous warning 誤報知 A complicated geometry 複雑形状の例 20

21 5. Roadside Detection System by CCTV 21

22 Roadside Detection System by CCTV Wrong-way driving is detected by analyzing CCTV image When a traffic control center detects a Wrong-Way driving vehicle, a warning message is sent to variable message signboards Required counteractions are immediately taken by the traffic control center 道路情報板に 逆走有注意 & 管理隊出動! Caution vehicle moving in wrong direction on notification sign board. 管制センター Control Center Building the new system 新システムの構築 CCTV CCTV Camera カメラ! Vehicle going the wrong 逆走車 way Detection 検知範囲 range Detection 検知範囲 range 22

23 6. Vehicle-to-Roadside Communication System 23

24 Vehicle-to-Roadside Communication System Road-vehicle communication systems, such as the DSRC, 5.8GHz radio wave beacon Warning to drivers by voices message and visual image Measure for Wrong-Way Driving Driving Wrong Way! Automobile Navigation System Warning for Wrong-Way Driving Wrong-way driving is detected from past position data Probe Data 24

25 Conclusions NEXCO-West is working on the countermeasures against wrong way driving as one of the most important issues We will keep trying our best to decrease number of wrong way driving by combining various countermeasures 25