O27 and HO Crossing for O Scale Automobiles

Here is my O27 and HO crossing where my Lionel O27 trains interact with the homemade animated automobiles. Although not very clear in this video, the headlights on the SUV stay lighted when the car stops at the crossing by way of HF AC on the HO track. The HF AC doesn't affect the motor. HF AC was popular with old-school traction hobbyists. The O scale cars are built on HO switcher "guts." https://www.josephrampolla.com/Seventh.html The HF AC generator is a Peter J Thorne circuit.
https://www.josephrampolla.com/