SUBSTITUTION OF TRAVEL BY NEW TELECOMMUNICATIONS TECHNOLOGIES IN OTHER TYPES OF INTERACTIONS BETWEEN PHYSICAL AND ELECTRONIC COMMUNICATION MODES IS CONSIDERED. IT IS SUGGESTED THAT ENHANCEMENT OF TRAVEL, PARTICULARLY FOR DISCRETIONARY PURPOSES, WILL OFFSET TRAVEL REDUCTION REALISED THROUGH SUBSTITUTION. WERE MOST INDIVIDUALS' NEEDS TO BE SATISFIED AT HOME THROUGH TELECOMMUNICATIONS, PSYCHOLOGICAL CONSIDERATIONS WOULD SUGGEST THAT NEW TRAVEL WOULD BE GENERATED. BUSINESS TRIPS AND THE AVOIDANCE OF FUTURE TRAVEL THROUGH USE OF TELECOMMUNICATIONS ARE ALSO ANALYSED. IT IS ARGUED THAT THE EFFECTS ON THE TRANSPORT SYSTEM ARE DEPENDENT NOT ONLY ON THE COSTS OF COMMUNICATING BUT ALSO ON THE VALUE OF INFORMATION. IN GENERAL, THE SUBSTITUTION OF TRAVEL BY TELECOMMUNICATIONS IS EXPECTED TO BE MINOR. (Author/publisher).
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