about 3.3 million passengers use the mrt everyday. the system is 199.6 km long and has 119 stations. trains run from 5:30 am to 1:00 am every day except for the festive periods, such as christmas eve, new year's eve and chinese new year's eve. a train comes every 2–3 minutes in peak hours, every 7 minutes during off-peak hours and 5–6 minutes for the weekend service. it is operated by singapore's smrt corporation and sbs transit.