In the 1920's what things were needed by drivers as the use of cars increased?

In the 1920s, as car ownership increased, drivers needed several essential items to ensure safety and convenience. These included gasoline stations for refueling, repair shops for maintenance, and tire service centers due to the wear and tear on vehicles. Additionally, road maps became crucial for navigation as more people traveled longer distances. Traffic signs and signals also emerged to help manage the growing number of vehicles on the roads.