How do you increase the number of vehicles allowed on Scenario Creator in Chris Sawyer's Locomotion?

To increase the number of vehicles allowed in the Scenario Creator of Chris Sawyer's Locomotion, you need to modify the game's configuration files. Locate the "Locomotion" folder in your installation directory, then find and edit the "locomotion.cfg" file. Look for the line that specifies the vehicle limit and increase the number accordingly, then save your changes. Restart the game to apply the new settings, allowing more vehicles in your scenariOS.