ITU‐T's Technical Reports and Specifications 417 Annex A Glossary and list of abbreviations Glossary 'Urban Corridor'. An urban corridor is more commonly understood as a roadway or boulevard etc. In this report it reaches from building‐to‐building and may include footpaths, tramways, avenues of trees, above ground and below ground infrastructure. List of Abbreviations API Application Program Interface CATV Community Antenna Television EMF Electromagnetic Field HPPA HomePlug Powerline Alliance ICT Information Communication Technologies IoT Internet of Things NOx Oxides of Nitrogen SSC Smart Sustainable City