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Table 3 Inequality indicators of average road speeds in the historical network and in the network used for modelling

From: Accessibility and territorial cohesion in a case of transport infrastructure improvements with changing population distributions

Regional speeds distribution Network 1971 (r) Network 2012 Network 2006 (I) Network 2030 (II – IV)
   % dif    % dif
Coeff. of variation 0.106 0.080 −24.43 0.233 0.193 −17.32
Gini index 0.057 0.042 −27.26 0.124 0.105 −15.29
Theil (0) 0.006 0.003 −42.75 0.031 0.020 −36.02
Atkinson (0.5) 0.003 0.002 −42.70 0.017 0.011 −39.01
  1. Note: case numbers (I to IV) are given between parentheses. Case r serves as a reference for the relative differences in the historical trends; case I serves as a reference for the relative differences in the modelling results