Economic design of low-traffic roads /

Eitemau Tebyg

• Road maintenance management systems in developing countries /
  gan: Organisation for Economic Co-Operation and Development. Scientific Expert Group
  Cyhoeddwyd: (1995)
• Tool financing and private sector involvement in road infrastructure development/
  gan: Organisation for Economic Co-Operation and Development. Scientific Expert Group
  Cyhoeddwyd: (1987)
• Targetted road safety programmes /
  gan: Organisation for Economic Co-Operation and Development. Scientific Expert Group
  Cyhoeddwyd: (1994)
• Road maintenance and rehabilitation : funding and allocation strategies /
  gan: Organisation for Economic Co-operation and Development
  Cyhoeddwyd: (1994)
• Ground engineering applications of geotextiles in road construction and maintenance /
  gan: Organisation for Economic Co-operation and Development
  Cyhoeddwyd: (1991)