Meanwhile, the yellow and blue lines trace Lisbon's main avenues, but are used more by residents than tourists. A single ticket on the underground metro costs 1.45 euros (about $1.80); a day pass ...

Paris Metro Line 12, spanning 17.2km with 31 stations ... and deploy an automated Passenger Information System on Lisbon’s Cascais Line. "Hitachi to deploy CBTC digital signalling on Paris ...