Having already shown 'community spirit' by taking part in the campaign to reduce the nation's road carnage – 'stepping forward' as a "good citizen" by giving prominence to the "Be a Safe Driver" sign, a statement to the world – there is social pressure to also agree to a grander, if more inconvenient, version of the same exercise and in order to appear consistent in one's beliefs and behaviour. There may well be other contributors, but it is likely that commitment and consistency play a significant role.[14]