Level Crossing Guard Priority Trigger compatable with ATLS by Boat. N.B. Does not function in the same way as the ATLS Triggers.
This is a specialised trigger to control tram traffic as part of the Advanced Traffic Light System, (ATLS). Version 2 Controller essential! Full instuctions on its use can be found in the Properties Dialogue Box, (Question Mark Icon in Surveyor) or see the consolidated ATLS Tutorial at http://www.ahsanstrainz.co.uk/atls_tutorials.html.
NOTE - If you upgrade to Version 2, you MUST upgrade all other ATLS assets or the system will not work.