User:Minh Nguyen/Traffic sign categories

General sign categories in some major sign systems:

• Manual on Uniform Traffic Control Devices (U.S.): destinations/distances, exits, emergency management/civil defense, work zones, general information, route markers, object markers, regulatory, recreational/cultural interest areas, school zones, warning
• Manual of Uniform Traffic Control Devices for Canada: regulatory (right of way, control of movement, miscellaneous), warning (physical conditions, regulations ahead, intermittent moving hazards), informational
• Manual Centroamericano de Dispositivos Uniformes para el Control del Tránsito (SICA): reglamentación, prevención, información (identificación, destino, servicios/turísticas, áreas silvestres/recreativas, defensa civil/emergencias, general), ejecución de trajabos, zonas escolares, rutas de bicicletas
• Road Traffic Sign Manual (SADC): regulatory (control, command, prohibition, reservation, comprehensive, selective restriction, de-restriction), warning (advance, hazard), location/route markers, direction, freeway direction, guidance (tourism, diagrammatic), information
• Traffic Signs Manual (UK): directional/informatory, regulatory, warning, road markings, road works
• Vienna Convention: danger warning, priority, prohibitory/restrictive, mandatory, special regulation, information/facilities/services, directions/positions/indications, additional