Nakayama Pass
Field Operational Test (Highway 230: Nakayama Pass)
| Test location: |
|
Nakayama Pass, ordinary National Highway 230 On Otaru side in vicinity of kilometer point 46.4 |
| Test period: |
|
November 1999 - September 2001 |
| Road management authority: |
|
Otaru Development and Construction Department, Hokkaido Development Bureau |
| Road surface sensors: |
|
Visible image sensor (1), laser radar (1), electric wave radiometer (1), optical fiber (500 m) |
| Reference instruments: |
|
Meteorological station, visible image camera monitors (3) |
Reasons for selection:
| Natural environment: |
Located in extremely cold area with snow cover and with highly variable road surface conditions |
| Road structure: |
2 lanes or more |
| Traffic volume: |
Approximately 10,000 vehicles/day, ordinary national highway with frequent snow and ice operations |
|
Availability of installation locations for sensors and processing devices |
|

 Test location |
Conceptual View of Field Operational Test Facilities Installation (Highway 230: Nakayama Pass)
Field Operational Test (Meishin Expressway: Ibuki Parking Area)
| Test location: |
|
Ibuki Parking Area on Meishin Expressway in vicinity of kilometer point 398 on westbound lanes |
| Test period: |
|
December 2000 - September 2001 |
| Road management authority: |
|
Hikone Control Office, Japan Highway Public Corporation |
| Road surface sensors: |
|
Visible image sensor (1), laser radar (1), electric wave radiometer (1), optical fiber (500 m) |
| Reference instruments: |
|
Meteorological station, visible image camera monitors (3) |
Reasons for selection:
| Natural environment: |
Located in extremely cold area with snow cover and with highly variable road surface conditions |
| Road structure: |
2 lanes or more |
| Traffic volume: |
Approximately 50,000 vehicles/day, expressway with frequent snow and ice operations |
|
Availability of installation locations for sensors and processing devices |
|

 Test location |
Conceptual View of Field Operational Test Facilities Installation (Meishin Expressway: Ibuki Parking Area)
|