Final answer:
State laws generally prohibit hitchhiking (standing on the road to solicit a ride) as well as jaywalking, but specifics can vary by location. Pedestrians are usually required to use crosswalks and adhere to traffic signals for safe crossing.
Step-by-step explanation:
It is important for both pedestrian safety and traffic flow that individuals adhere to state laws regarding road crossings. Among the provided options, b. Stand on the road to solicit a ride is typically a violation of state law in many places. This is often referred to as hitchhiking.
While laws vary by location, in general, jaywalking (option c) is also commonly illegal, though it's defined differently depending on the city or state. Depending on local laws, pedestrians may be required to use crosswalks or wait for signals at intersections to cross streets safely and legally.