Turning to take railroad tracks at a 90-degree angle can be more dangerous because:

Turning to take railroad tracks at a 90-degree angle can indeed introduce specific hazards that are essential for motorcycle safety. The primary danger lies in the fact that your path may inadvertently lead you into another lane of traffic. When making a sharp turn at railroad tracks, especially if it's at an angle, it can impair your ability to accurately gauge the position of your motorcycle on the road. This miscalculation might result in crossing into adjoining lanes, ultimately risking a collision with vehicles that are traveling in parallel lanes.

While the other options also describe potential hazards—like the risk of weaving or having tires catch and disrupt balance—they don't encapsulate the broader danger of lane incursions as effectively. Thus, understanding the risks of turning sharply at these intersections is crucial for maintaining safety and avoiding conflicts with other road users.