Enhance your trackside scenery and add realism with an O Gauge Signal. Our products include a Dwarf Signal from Lionel, a Pennsylvania Railroad Signal Light from Atlas O, and Bachmann Signal Bridges in both the Built Up product line and a Kit. MTH has some very interesting choices such as a Cantilevered Signal Bridge, an Operating Block Signal, and the MTH O #78 Auto Control Signal BL/WH. We have just the trackside O Scale Signal you need for your dream model railroad. Please check out our online Store.