RRG GIS Database

Dimensions of accessibility indicators and peripherality indices

Origins / destinations	Different social groups, occupations, opportunities
Spatial impedances	Distance, travel time, travel cost
Constraints	Speed limits, access restrictions, maximum driving hours, capacity
Barriers	Political, economic, legal, and cultural barriers
Types of transport	Passengers, freight and goods transport
Modes	Road, rail, air, waterways
Spatial scale	Continental, EU, trans-national, national, regional level
Dynamics	Individual year, different points in tim

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