Helsinki Metro in Finland is the world's northernmost metro system. They use professional communications to ensure smooth passage for their 90 million passengers per year.
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Public Transportation in Paris (RATP) »
Régie Autonome des Transport Parisiens (RATP), is the transportation company for the urban areas of Paris, France. The company uses a Airbus TETRA system for their communications over the whole area.
Shenzhen Metro Corporation »
Shenzhen Metro has used TETRA communication since 2004 in line #1. Shenzhen is the first city in China that interconnect TETRA systems between different metro companies and their metro lines.
