Page 20 For the purpose of ensuring the harmonious integration of the physical infrastructures of Member States and the promotion and facilitation of the movement of persons, goods and services within the Community. Member States undertake to: (w) evolve common transport and communications policies, laws and regulations; (x) develop an extensive network of all-weather highways within the Community, priority being given to the inter-State highways; (y) formulate plans for the improvement and integration of railway and road networks in the region; (z) formulate programmes for the improvement of coastal shipping services and inter­ state inland waterways and the harmonization of policies on maritime transport and services; (aa) coordinate their positions in international negotiations in the area of maritime transport; (bb) encourage cooperation in flight-scheduling, leasing of aircraft and granting and joint use of fifth freedom rights to airlines of the region; (cc) promote the development of regional air transportation services and endeavour to bring about the merger of national airlines in order to promote their efficiency and profitability; (dd) facilitate the development of human resources through the harmonization and coordination of their national training programmes and policies in the area of transportation in general and air transport in particular; (ee) endeavour to standardize equipment used in transport and communications and establish common facilities for production, maintenance and repair. 11. Member States also undertake to encourage the establishment and promotion of joint ventures and Community enterprises and the participation of the private sector in the areas of transport and communications. Article 33 Posts and Telecommunications In the area of postal services, Member States undertake to: 12. (a) foster closer cooperation between their postal administrations; (b) ensure, within the Community, efficient, speedier and. more frequent postal services; (c) harmonize mail routing; In the area of telecommunications, Member States shall: (a) develop, modernize, coordinate and standardize their national telecommunications networks in order to provide reliable interconnection among Member States;