• English
 

33rd session

Informal Documents 2020
Informal Document 2 - Consolidated set of questionnaires prepared by the Group of Experts on Benchmarking Transport Infrastructure Construction Costs - Note by the secretariat
English
Informal Document 4 - Benchmarking Study for Transport Infrastructure Construction Costs in the ECO region - Submitted by the secretariats of the United Nations Economic Commission for Europe (ECE) and the Economic Cooperation Organization (ECO)
English