Spatial Patterns, Congestion and Modelling
Edited by Eliahu Stern, IIan Salomon and Piet H.L. Bovy
Chapter 5: Telecommuting/teleworking: A virtual commuting possibility - the cases of Belgium and Brussels
5. Telecommuting/teleworking: A virtual commuting possibility – the cases of Belgium and Brussels Viviane Illegems, Alain Verbeke and Rosette S’Jegers 1. INTRODUCTION: THE RANGE OF CURRENT MOBILITY PROBLEMS IN BELGIUM AND BRUSSELS The trafﬁc congestion problem in Belgium and Brussels has increased substantially in the recent past. To measure the severity of the congestion problem, the growth in demand can be contrasted with the expansion of supply of road infrastructure. The demand for mobility can be analyzed using the following indicators: the number of motorized vehicles; the number of private cars; vehicle-kilometers and passenger-kilometers; and the vehicle occupancy rate. The length of the road network can be used as an estimate for the supply of road infrastructure. For the analysis of the tension between the demand for mobility and the supply of road infrastructure, the average trafﬁc intensity per day1 is used as a proxy. These indicators are described for 1985, 1990 and 1995 in Table 5.1 for Belgium and in Table 5.2 for Brussels. Every year, the number of registered motorized vehicles in Belgium increases substantially. Between 1985 and 1995, the number of registered motorized vehicles rose 28.5 percent. This rise is almost exclusively caused by an increase in the number of cars. In that same decade, the number of vehicle-kilometers increased 50 percent while the number of passenger-kilometers rose 39 percent. In that same period, a decrease of the average vehicle occupancy can be observed. The Belgian road network expanded 7.5 percent between 1985 and 1995. Expansion...
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