Why should a motorcyclist avoid riding or stopping in the exact center strip of a traffic lane at urban intersections and toll plazas?

1. The center strip is reserved exclusively for underground subway ventilation
2. The center strip contains magnetic induction sensors that disable motorcycle engines
3. The center strip is where automobiles and trucks leak engine oil, transmission fluid, and coolant, creating a concentrated slick spot especially when wet
4. The center strip causes motorcycle exhaust systems to corrode instantly