If you don’t have kids, then you probably aren’t aware that Lego sells a “Lego-City” series of kits. My favorite is Lego-Ambulance – it includes an ambulance, two paramedics, and a crashed cyclist. The scene of the accident is an intersection (traffic signal included).
As you can see, the cyclist probably crashed because the lego-street lacked segregated bike facilities.
bikes are dangerous. Better to drive in a Lego-City Hummer.
To me the obvious cause for the crash are the bumps that regularly infest the LEGO landscape, hardly conductive to safe cycling.