The United Nations team on Infrastructure management have online available resources about how to maintain the municipal infrastructures all through their life cycle. 

This website offers:

- The Managing Infrastructure Assets for Sustainable Development: A Handbook for Local and National Governments in all 6 UN official languages

- Free online training

- Access to training opportunities

- Experiences from cities

- Global team of experts

- Newsletters

https://www.un.org/development/desa/financing/capacity-development/topics/infrastructure-asset-management

EN ESPAÑOL AQUI

https://www.un.org/development/desa/financing/es/capacity-development/topics/infrastructure-asset-management

إدارة أصول البنية التحتية

https://www.un.org/development/desa/financing/ar/capacity-development/topics/infrastructure-asset-management