1960 Life course approach to studying individual lives emerges

1977 Synthesized theory of travel behaviour proposed

1977 Travel behaviour conceived in terms of a discrete choice hierarchy

1980s Research into dynamics of travel behaviour begins to emerge

1983 Long term lifestyle choices recognised as influencing travel behaviour

1983 The evolution of travel behaviour over the family lifecycle is studied

1999- Large scale panel studies reveal how travel behaviours change over time

2003 The idea of mobility biographies is put forward

2003- Empirical studies using the mobility biography framework emerge

2005 Micro-simulation models of travel behaviour change are developed

2013 Conceptual model of life events and travel behaviour turning points is put forward

To the present day - A number of research groups remain active in the area of longitudinal travel behaviour research.