In terms of best practice, London, Paris and New York City all embarked on bicycle infrastructure campaigns in the years prior to the establishment of bike share. The most consistent finding in the international literature on bike share is that people choose to use bike share when it meets their convenience criteria. Data on user attitudes and behaviour show a very strong desire to make multimodal journeys that involve segments of walking, bike share and public transport. City planners must also be cognisant of the fact that not all citizens that may be interested in using bike share have access to a credit card or smartphone. Moreover, mandatory helmet use hampered the spontaneity with which people could use the bike share systems in Australia and the handful of other jurisdictions in which a blanket helmet law applies.