Abstract
Now as ever, transportation services are a decisive criterion of an economy. This constitutes the background for dealing with the various routing and protection principles for the two important land-based traffic systems: namely, road and rail transport. The objective is to determine how the two systems could benefit from the respectively chosen approaches to a solution and which future operating concepts this makes possible. Whether in rail or road traffic, inter-vehicle spacing directly effects several quality criteria of the transport process, and vehicle throughput. The various theoretically possible and practically applied principles for maintaining inter-vehicle spacing will be described and assessed with regard to occupied time, safety, and throughput. Today, various principles are used in both system which is attributable in part to the historical development of the system but also to the possibility of supporting the system through technical assistance systems. For both systems the possible maximum traffic throughput is considered depending on maintaining inter-vehicle spacing. Synergy potential can be used through an interdisciplinary approach to detection and classification of traffic scenarios. In the future, vehicle electronics will be developed with the same objectives and similar outline conditions. Rail traffic then can profit from the series effect of road traffic and thus reinforce its market position through affordable solutions. Identical concepts in the field of vehicle-based route information (digital map) will permit joint solutions. In the field of convoy formation and automatic, driverless operation, joint studies make sense when it comes to longitudinal guidance and vehicle protection.
Highlights
Bounds are set by the valid regulations in both systems
Rail traffic is still founded largely on route-based technology. This technical feature is being removed in modern developments
In any case, existing systems cannot be adopted without modification, due to the varying outline conditions
Summary
Transportation services are a decisive criterion of an economy. In the EU 15, passenger traffic increased by more than 10 % during the period 1990-1996. 42,000 roadway traffic accident fatalities, which shows an annual decrease of 2-3 %; there were 900 fatalities in rail transport [3]. These figures clearly underscore the grave social. Importance of this issue and make it clear why the subject of safe mobility matters to all social classes, municipalities, and industry. They constitute the background for dealing with the various routing and protection principles for the two important land-based traffic systems: namely, road and rail transport. The objective is to determine how the two systems could benefit from the respectively chosen approaches to a solution and which future operating concepts this makes possible
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