You are certainly in the minority though, given that millions of people drove much faster than 30mph daily for many many years with neither. Seatbelts weren't e

You are certainly in the minority though, given that millions of people drove much faster than 30mph daily for many many years with neither. Seatbelts weren't even required in cars in the US until 1968, airbags in the 90's. Anecdotally, neither I nor anyone I know thinks this way, the availability of a seatbelt or airbag isn't the determining factor in my driving speed by any measure.