What is the speed limit in a residential area in Indiana unless otherwise posted?

Answer: B — 30 mph

In Indiana, the standard speed limit in residential areas is set at 30 mph unless otherwise posted. This limit is established to enhance safety for pedestrians, children playing, and residential traffic. It strikes a balance between enabling efficient movement of vehicles and ensuring a safe environment in neighborhoods where there is likely to be a mix of different road users. The law recognizes that residential areas often have lower traffic volumes and different driving conditions compared to urban or highway settings, hence the need for a lower speed limit to promote safety.