Employs the AJS Traffic Library which allows road traffic 'float' height to be adjusted, nightmode times to be set and for the lights to come on in bad weather.
To access the traffic settings, place the vehicle in Surveyor, click the Properties (?) button, and then on the vehicle. Read more about the AJS Traffic Library in this forum thread: http://forums.auran.com/trainz/showthread.php?t=47765