| ECE/TRANS/WP.5/GE.4/7 - Annotated provisional agenda for the fourth session (16-17 October 2017) |
| ECE/TRANS/WP.5/GE.4/8 - Report of the fourth session (16-17 October 2017) |
| ECE/TRANS/WP.5/GE.4/2017/1/Rev.1 - Revised terminology on Benchmarking Road Transport Infrastructure Construction Costs |
| ECE/TRANS/WP.5/GE.4/2017/2/Rev.1 - Revised Questionnaire on Benchmarking Road Transport Infrastructure Construction Costs |
| ECE/TRANS/WP.5/GE.4/2017/3 - Terminology/Questionnaire on Benchmarking Intermodal Terminals/Logistics Centres Infrastructure Construction Costs |
| 2017 Investments in port of Gdynia (Mr. Jakub Koczara, Port of Gdynia Authority S.A., Poland) |
