Design Specifications for an Effective Short-term Urban Traffic Management Scheme
TAXILTARIS C, BASBAS S and PROIOS A, Aristotle University of Thessaloniki, Greece
An important parameter in traffic management studies is apparently the traffic and land use planning data collection, data entry and data elaboration phase. In most of the cases this phase is the most critical one due to the lack of databases with the app
An important parameter in traffic management studies is apparently the traffic and land use planning data collection, data entry and data elaboration phase. In most of the cases this phase is the most critical one due to the lack of databases with the appropriate data in Greece. The lack of imposition of unified specifications regarding the data collection methodology and the appropriate software to be used for their analysis, inevitably lead to a, complete lack of standardization in this area.
Data usually lose their value after the end of the study because the whole process concerning data is not part of an integrated planning process which anticipate data update, maintenance, and exploitation procedures. In the framework of this paper, an attempt has been made for critical evaluation of the so-called guidelines and the methods of their production, together with the up-to-date experience from the implementation of such studies in Greek cities.
The framework of such studies abroad has also been examined, in order to utilize their experience in Greece. Finally, the formation of a proposal for a framework which will govern this kind of studies has been examined. Settlement of traffic problems at urban areas can be achieved through the execution of different types of studies. Depending on the time horizon of the study, the first separation includes the short term and the long term traffic management studies. The first category usually has a time horizon of 1-3 years, includes low cost measures and presupposes a microscopic examination of the existing situation. Most of the local authorities prefer to cope with the traffic problems via the short term traffic management studies. These studies usually have a duration of a few months. Only a few local authorities choose to deal with the macroscopic examination of the existing situation (long term traffic management studies, master plans). Examples from cities which followed the second solution in Greece are the cities of Athens, Thessaloniki, Volos, Rhodes, Larissa, Katerini etc.
The confrontation of traffic problems in urban areas in short-term horizon presupposes the elaboration of traffic management studies. These studies concern the organization of the circulation of vehicles and pedestrians together with the design and implementation of parking policy. More specifically these studies cover aspects of organization and hierarchy of the road network, control and efficient operation of intersections, efficient operation of the Public Transport system, securing a satisfactory level of road safety, an affordable level for the service of pedestrian flows together with the design of an adequate network for the exclusive pedestrian movements, and finally an on-street and off-street parking policy.
Usually, policy measures are not included in the framework of such short-term traffic management studies. These measures can be implemented up to a three year period. In Greece many times these studies cover existing needs which under normal conditions would have been covered by master plan studies. As it is expected, this fact creates result expectations different from those which will be expected in reality from short-term traffic management studies.
Association for European Transport