Prague has a very sophisticated subway, tram and bus transport system. The Prague underground is quite new and efficient. At peak times, trains run every 2 or 3 minutes, and during off-peak hours at least every 8–10 minutes.
You can find more information about Prague public transport on the web pages www.dpp.cz.
Short-term passes (unlimited travel within ticket validity)
Most visitors find travel passes cost effective and hassle free. If you use public transport more than a few times a day, definitely go for one. Also 3 and 5 day passes allow free transport for a child aged between 6 and 14 (inclusive).
The price for 24-hour pass is 110 CZK/4.30 EUR and 3-day pass (72 hours): 310 CZK/ 12.20 EUR. Only properly validated tickets are valid.
For more information about Prague Public transport visit www.dpp.cz.