1 Vibrant streets as an interdisciplinary chance and challenge 2 Built-environment factors of walking and place activities at street level 2.1 Neighborhood level 2.2 Street level 3 Determinants of individual travel behavior 4 Community building 5 Contributions of vibrant streets to sustainable development 6 Strategies for fostering vibrant streets 7 Good practice examples 8 Avenues for research and planning practice 9 Publication bibliography