Almost perfect 1:48 scale model of the real thing. The USDOT Railroad-Highway Grade Crossing Handbook requires that red flashing lights on crossing signals be between 200 and 300 mm in diameter. That would be 4.2 to 6.25 mm in O scale. The LEDs on the MTH model measure 5 mm. The cantilever over the roadway must be at least 17 feet above the crown of the road. That would be 4.25 inches in O scale, and the MTH cantilever is 4.5 inches high. USDOT requires that the centers of the paired flashing lights be 750 mm apart. That's almost 16 mm in O scale. The MTH lights are a wee bit farther apart that this at 19 mm. The overall visual effect is excellent, and the scale dimensions are almost exact. The alternately flashing lights are automatically controlled and timed believably. 10 Volts AC is plenty of power, and there are only two wires to attach. (Of course, if one uses an MTH ITAD to trigger the signal, the ITAD has its own added wiring.) The signal is not free-standing and must be screwed to the layout surface, or it could be screwed to its own small plank for use on temporary displays and in Christmas villages. If one wishes to have a train activate the signal automatically, an infrared sensing device (MTH's ITAD) works nicely. Of course, any other track occupancy detector will work as well. If youngsters are to be entertained, putting a simple on/off toggle switch on the layout fascia would give them a chance to trigger the signal manually. All in all, this is an attention-getting method of protecting traffic on one's O scale roadways. For hobbyists who may have used Lionel's 6-22934 Mainline Cantilever Crossing Signal in the past and wonder how the MTH 30-11006 signal compares with it, I am submitting a photograph of the two side by side. The MTH 30-11006 is on the right.Read full review
Verified purchase: No
Well built and works well. Installed 2 of them on my o scale layout with zStuff block signals, isolated rails and zStuff relay. I am very happy with these signals.
Verified purchase: Yes | Condition: New
Top rated for realistic looking
Verified purchase: Yes | Condition: Pre-owned
Just as advertised.
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
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