(iii) monitor compliance with such policy and legislation. ARTICLE 7.3 INFRASTRUCTURE 1. Member States agree to monitor the adequacy of permanent way and rolling stock required to meet regional developmental needs. 2. In order to attain the objective stated in paragraph 1, Member States shal1 develop complementary strategies aimed at, amongst others a) encouraging private sector technology transfers and investment in permanent way and rolling stock provisioning and maintenance; b) identifying options to lower maintenance costs which shall include the undertaking of research on the development of regional capacity to manufacture railway spare parts, facilities and equipment; c) sharing resources along regional corridors; and d) standardising inspection and maintenance procedures for rolling stock. ARTICLE 7.4 OPERATIONAL AREAS OF CO-OPERATION 1. Member States shall facilitate co-operation amongst railways in the Region with regard to a) the development of an integrated regional network of railway corridors; b) the enhancement of the safety of railway operations, which may include (i) adopting common safety rules and regulations governing railway signs, signals and rolling stock; (ii) standardising accident investigation procedures: (iii) developing and implementing common rules for the placement and securing of loads in open top wagons and flat wagons; and (iv) adopting applicable and appropriate standards on the safe movement of cargo and passengers; c) the development of common standards for customer services, which includes (i) the development of uniform conditions of railway carriage throughout the regional railway system; (ii) the provision of regionally synchronized scheduled railway services; and (iii) the provision of trackage rights;