In a context of under-developed public transport, improvements in road infrastructure will transform motorcycle dependency into car dependency, but will not help manage overall motorisation rates. It is thus important for Hai Phong to plan upgrades and extend its road network in tandem with effective demand management policies. New road infrastructure should also take into account the need to prioritise road space for public transport. Examples from selected OECD and non-OECD cities exhibit complex policy options and their consequences (Box 2.5).