what speed do airbags deploy
Restraint Device : Supplemental Restraint System (SRS) Airbag. 1  The SRS Airbag System is designed to supplement the seatbelt system and improve occupant protection in certain type of crushes. 2  The airbags deploy at speeds of 100 to 300 km/h, the latter of which being the highest speed of the Shinkansen Bullet Train.