LOUISVILLE, Ky. (WHAS11) -- The Louisville Zoo's new train is back in action this afternoon for the first time since a derailment four years ago.
The Louisville Zoo purchased two new trains after a derailment four years ago that injured 22 people.
The zoo spent more than $1 million buying the trains and improving safety.
The trains were shipped from england and workers have been spending the last several weeks being trained.
The cars carry about 30 passengers.
The old trains averaged more than 400 paying passengers a day at $2.50 per ride. That's about $1,000 a day.