TRANSPORT · TRANSPORT|land transport|land transport
- rialú comharthaí Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- signal control
- en
- Sainmhíniú the primary tool of urban traffic control which is applied in the urban network to facilitate the safety and efficiency of road transport in the network Tagairt Intelligent Transport Systems and Road Safety, 1999, ETSC, p.43