Somes the switches streetcar system in my city are controlled by the streetcar operators. Some streetcar operators are careless or impatient, they switched the switch before the streetcar in front of them clear the switch.
My Trackmaster/Tomy/Plarail Photo Gallery Page (over 600+ photos and still under construction)
https://www.flickr.com/photos/183311600@N03/
https://www.flickr.com/photos/183311600@N03/