The lights change from green to red to warn approaching trains of occupied blocks ahead and a 153C contactor is included

Model Number: 30-76494

Dimensions: Length: 9 ½"

This is MTH 30-90419 O Mobil Tank Filling Station

This is an Athearn 98847 HO Scale Southern Pacific SD40R with DCC & Sound #7351

LGB 50614 G Track Mounting Piers (Pack of 36) ProductID_12176955 The lights change from greenThis is an LGB 50614 G Track Mounting Piers (Pack of 36). These piers are of plastic construction. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: LGB Model Number: 50614 Road Name: **** No Road Name Scale Era: G Scale Model Type: Track The Trainz SKU for this item is P12491678. Trainz Product Id: 12491678