Aanwezigheid en gebruik van autogordels 1987 : verslag van waarnemingen gedaan bij bestuurders vóór passagiers van personenauto's op wegen binnen en buiten de bebouwde kom.

Using a method designed in 1978, whereby an observer looks inside the car while it is waiting at traffic lights to see whether belts are being worn, the development of seat belt usage in the Netherlands during 1987 is described and analyzed. The usage differs according the category of road, motorway 75%, non motorway 60%, roads with mixed traffic 60% and roads with local traffic 45%.