| ECE/TRANS/WP.5/GE.4/3 - Annotated provisional agenda for the second session (10-11 April 2017) |
| ECE/TRANS/WP.5/GE.4/4 - Report of the second session (10-11 April 2017) |
| ECE/TRANS/WP.5/GE.4/4/Corr.1 - Report of the second session (10-11 April 2017) |
| Estimation and Calculation of Transport Infrastructure Construction Costs in the Czech Republic (Mr. Ivo Vykydal, State Transport Infrastructure Fund) |
| Benchmarking Transport Infrastructure Construction Costs (Mr. Andrzej Maciejewski, General Directorate for National Roads and Motorways of Poland) |
| Benchmarking Transport Infrastructure Construction Costs (General Directorate of Turkish Highways, Ministry of Transport, Maritime Affairs and Communications) |
