An Open Access Journal
Table 12 Research gaps
From: Overcoming the barriers to implementing urban road user charging schemes
Research gap | Prioritya |
|---|---|
The interaction between acceptability and effectiveness | 5 |
The extent to which results in one city can be transferred to another | 5 |
The implications of design and technology for enforcement | 4 |
The performance of new developments in technology and in business systems | 4 |
Ways of reducing the costs of technology and business system applications | 4 |
The impacts on the urban economy, and in particular the differential effects by economic sector and size of firm | 4 |
The effects of road user charging on different impact groups | 4 |
The interaction between acceptability and equity and in particular the impact of scheme design on perceived inequity which engender acceptability issues | 4 |
The requirements for sustaining and adapting road user charging schemes once implemented. | 4 |
Comparisons between predicted and actual impacts, including impacts in cities where URUC was proposed but has not been introduced. | 4 |
Approaches to the design of overall strategies which include road user charging | 3 |
Methods for the design of road user charging schemes | 3 |
Prediction methods | 3 |
Understanding of behaviour, and particularly second order responses and the behaviour of users of other modes | 3 |
The impacts of road user charging on liveability and health | 3 |
The dynamics of acceptability over time and the particular role of referenda in testing and promoting acceptability | 3 |
The specification of appropriate timescales and sequences for the implementation of urban road user charging schemes | 3 |
The measurement of congestion and travel time reliability | 2 |
Development of best practices for evaluation of RUC schemes | 2 |
Methods of appraising second order effects | 1 |