🛤️🚇➡️

#metro line #subway route #train tracks #public transport direction

🚇↔️🚇

#metro line #subway route #underground transit line #bidirectional train #tube connection #train network

🥈🚇➡️

#silver line transit #transit line #subway route #metro line

🍊🚆

#orange train #transit line #subway route #city train #transportation line