No vehicle shall be driven to the left side of the roadway when approaching within how many feet of an intersection or railroad crossing?

The correct answer is based on traffic regulations that mandate a safe distance when approaching intersections or railroad crossings. Specifically, when drivers are within 100 feet of such hazards, they are required to remain on their side of the roadway to ensure safety and prevent potential collisions. This regulation serves to protect not only the driver but also other road users, as these areas can often be congested or present additional risks.

The specified distance of 100 feet helps ensure that drivers have adequate time to react to any obstructions or changes in traffic conditions. It's especially crucial near intersections and railroad crossings, where the likelihood of conflicts with other vehicles or trains increases significantly. Adhering to this guideline promotes safer driving behavior and helps maintain order on the road.