collectlon of lndlvlduat proJects. Efforts could have been concentratEd ' for exalrD1e. on: (1) The draftLng of in-deptb global and secloral sbudiee of needs and posElbLe solutlons (inctudlng deasurable aub- reSLonal and natlonal obJectlves for the purpoEe of better appralsal of progreas achleved). 2Jl t.he dlpect costs of the Decade Co-ordlnation Unit (UNTACDA) - staff, mlsslons' Fnsultants, lranslation and reproduction of the docunents, travel, etc. - can be estinaEed at at, least US$8.4 mlluon slnce L9?8' No figure of the indlreqt costs for African States, lending agencles, or organlzations in the United Nalions system has ever been put forward, but oust alao be conEiderable- / "'-12- (il) The settinF up o{ lnstltutlonaL structures to facl11- tate Lhtefgovernn-enlal co-operatlon ln transpot t and connunlcatlons ad, the conElnental, but partlcularLy the re8lonai, and tbe sub-reglonal, levels where such co-operatlon la especlally esaentlal. (111) Planning and cerrylng out actlvltles whlch do notcall for large-scale lnveBtDent, bue whlch are nevertheless essentlal for lhe establlshnent and optlnu! utlllzatlon of lnfrastructures and lor acllnate of co-operatlon aDong gtates: negotiatlon and adoptlon of convenllons (such aa thg African hlghvay coda, TIR Convention, Flfth freedon, etc.), haroonizatlon of leglslallon and regulatlons (for exaDple, relating to lhe physlca,l standands for lnfrastnucture, lranstt and safety standards, CusloEs neguLatLonr, etc. ) . (b) ConcentEte the ECA Secnetari.at's role on the identificatlon and axecutlon of regl,onal and sub-reglonal proJects, to the excf,usion of projecis Hhlch are soleLy atlonal (fegardless of the oeang of flnancing). The proposal
**Analysis**
The text appears to be discussing the coordination and planning of projects related to infrastructure development, international cooperation, and economic development. It mentions the Decade Co-ordination Unit and the Economic Commission for Africa, suggesting a focus on economic development and international cooperation. The text also touches on the importance of regional and sub-regional projects, which may involve the development of infrastructure, transportation, and communication networks.

**Category**
Transport and communication, Economic development