We used the metro during our five-day stay in Madrid in various circumstances. We bought a card at the ticket vending machine at the Ciudad Lineal station and filled it with a number of rides. As permitted, the two of us used the same card - we handed it between us after passing the barrier. It was easy to navigate the network and change the lines. The waiting time for the trains was very convenient.

One of the best metros in Europe ! As convenient as the Hong Kong MTR. I don’t speak Spanish and travelled solo, I felt safe (security patrols everywhere) and easily navigated myself via Google map and the signs are clear. The stations are cleaner than other stations in nearby countries. The ticket machine has different language options and easy to use, can buy single trips - unlike other systems which forces you to buy travel cards of multiple trips.

Madrid metro is a great option to travel around Spain capital in a clean, safe and efficient way. First advice is to buy the Tarjeta Multi card at the machine kiosks at every station. The card itself costs 2,50 Euros, a one time cost, unrefundable. Load your card with 10 viajes (trips) for 6,10 Euros - it means every ride costs 0,61 Eur which is a bargain. The card works on both, metro and bus and you can easily reload again. Downside is there's no time limit, so if you need to change metro/bus for one direction you must spend two trips from your card.