Police saved 69 people early Wednesday morning off a stalled tram system in New York City.

Roosevelt Island tram system opened in 1976 and:

— is a means to shuttle residents between Roosevelt Island and Manhattan.

— is the only commuter cable car system in North America.

— has serviced over 20 million passengers.

— was originally built by Swiss company Vonroll Limited for $5 million.

— is now operated by the Roosevelt Island Operating Corp.

— built by Swiss company Vonroll under designers Prentice & Chan and Ohlhausen.

— holds 125 persons.

— travels a distance of 3,100 feet.

— travels at an average speed of 16 mph in 4 1/2 minutes.

— rises to a maximum height of 250 feet.

Sources: Roosevelt Island Operating Corp. and NYT.