The next time you visit the Saint Louis Zoo, plunk down the $8 to ride the Emerson Zooline Railroad and keep your eyes peeled for the zoo’s newest train, a bright green electric locomotive named after ...

ST. LOUIS, MO — Today marks the 55th anniversary of the Emerson Zooline Railroad at the Saint Louis Zoo. The nation’s largest miniature rail line has carried more than 39 million riders since ...

The new train joins six other locomotives and is the zoo's first electric train, using less gas emission and more sustainable resources.

A new electric train is rolling down the tracks at the Saint Louis Zoo.

The bright green locomotive is the newest addition to the Emerson Zoo Railroad's fleet of six gas-powered locomotives.