Here are some features in Locomotion!
Obviously there are alot more things than listed here, so if you find something nice, let me know and I'll add it to the list!

Construction

You can build Stations and track completely underground.

Industries

Some industries require 2 types of resource before they can start producing.
Some resources are accepted by multiple types of industry, so it may be more profitable to use in certain ways.

Multi-player

You can play multi-player with a friend in a head-to-head mode on any scenario.
Up to 14 computer controlled companies can be played against, offering a tough battle to be be the best.

Stations

Buses have realistic bus stops. People can also be seen queueing up at them.

Vehicles

The vehicles have lots of different 2d views, offering nice turns. They also have sloped views for going up hills.