ABSTRACT Indicators are considered a key tool in assessing whether societies are progressing towards sustainability. In indicator development, the main emphasis has been on the production of new indicators. Various kinds of sustainable development indicators and indicator sets have been...

Congestion charging was - as a trial - introduced in Stockholm from January 3rd to July 31st 2006. After the referendum in September 2006, the charging system was finally introduced as permanent from August 2007 with some adjustments to the Trial design. The idea of congestion charging is unique...

Improved decision support is deemed essential for the planning and implementation of sustainable transport solutions, but limited evidence exists that decision-relevant information is effectively used for these purposes. This paper applies a framework inspired by research in “knowledge...