| ECE/TRANS/WP.6/2011/8 - (Secretariat) Programme of work and biennial evaluation |
| ECE/TRANS/WP.6/2011/7 - (Secretariat) Collection and dissemination of Statistics by the United Nations Economic Commission for Europe |
| ECE/TRANS/WP.6/2011/6 - (Secretariat) Methodological development and harmonization of transport statistics: Statistics on passenger transport by buses and coaches |
| ECE/TRANS/WP.6/2011/5 - (Secretariat) Methodological development and harmonization of transport statistics: Pilot questionnaire on road traffic performance: Definitions of vehicle energy types |
| ECE/TRANS/WP.6/2011/4 - (Secretariat) Methodological development and harmonization of transport statistics: Statistics on the transport of gas through pipelines |
