Advanced Trains

For advtrains, a *signal aspect* can contain the following information: * The main signal aspect, * Whether the train may proceed as shunt move, * Whether a train in shunt mode may proceed under the main aspect, and * The main signal aspect of the next signal (“distant signal”, not used).

The main and distant signal aspect can show one of the following: * Do not proceed (“danger”) * Proceed with the given speed limit * Proceed while retaining the current speed limit * Proceed without any speed limit

Trains in shunt mode have the speed restriction of 6.