Device for detecting collision with a vehicle

In combination, a vehicle having a vehicle body with a part potentially affected by a collision, including relatively rigid vehicle body parts that are comparatively difficult to deform during the collision, and a device for detecting a collision, the device comprising:

• a substantially closed measuring volume disposed along the part of the vehicle body potentially affected by the collision, said measuring volume, along a longitudinal direction thereof, having a cross-sectional area with a comparatively larger area in a vicinity of the relatively rigid vehicle body parts that are comparatively difficult to deform during the collision;
• and
• a pressure sensor disposed to detect a compression of said substantially closed measuring volume upon the collision.