1. Informal document No. GRSG-97-31
(97th GRSG, 20 – 23 October 2009
agenda item 13)
Proposal for draft amendments to the Regulation on Driver’s Forward Field of Vision (ECE 125) 1

2. Analysis of the current regulation ECE 125 in the case of a steering wheel at the 1° plan
Section A-A
Presence of the steering wheel permits the use of the blue zone 1° 4°
Absence of the steering wheel forbits the use of the red zone Z A X V2 1° 4° A
Steering wheel in its regulatory position
Instrument panel

3. Analysis of the current regulation ECE 125 in the case of a steering wheel between 1° and 4° planes
Section A-A
Presence of the steering wheel permits the use of the blue zone 1° 4° Z A
Absence of the steering wheel forbids the use of the red zone X V2 1° 4° A
Steering wheel in its regulatory position
Instrument panel

4. Analysis of the current regulation ECE 125 in the case of a steering wheel at the 4° plan
Section A-A 1°
Absence of the steering wheel forbids the use of the red zone 4° Z A X V2 1° 4° A
Steering wheel in its regulatory position
Instrument panel

5. Analysis of the current regulation ECE 125 in the case of a steering wheel below the 4° plan
Below to 4°, there is no relationship between the steering wheel position and the instrument panel
Section A-A 1°
Absence of the steering wheel forbids the use of the red zone 4° Z A X V2 1° 4° A
Steering wheel in its regulatory position
Instrument panel

6. Proposed amendment to regulation ECE 125
Proposal : De-activing the relationship between the steering wheel position and the instrument panel between the 1° and 4° planes
Steering wheel in its regulatory position
Blue zone can be used when amendment is adopted Z A X V2 1° 4° A
Instrument panel
illustration

7. Proposed amendment to regulation ECE 125
Summary of the proposal
1° Plane
Current Text
Proposal
4° Plane
Dans le commentaire en bleu «  La décorrélation du volant avec le tableau de bord entre les plans à 1° et à 4° permet d’accroître la zone d’informations utiles pour le conducteur », il faudrait rajouter « …pour le conducteur dans l’axe du champ de vision » Si non, il est toujours possible d’accroître la zone d’informations utiles à droite et à gauche sous les 4°.
Obstruction currently permitted
When information is raised up, dashboard is limitedto 4°
When information is raised up, dashboard is limited to 1° (restricted to 20% ostruction)
De-activating the relationship permits to increase the information area for the drive