8Leeis I, Semeijn J, Vellenga D B. Issues and initiatives surroundingrail freight transportation in Europe [J]. Transportation journal, 2011, 41(2): 23-31.
9Woodbum A G.A logistical perspective on the potential for modal shift of freight from road to rail in Great Britain [J]. International Jour- nal of Transport Management, 2013, 1(4):237-245.
