During peak commute hours, all the traffic from main roads spills over into the side streets. Case in point - my parents have an independent house, but the road

During peak commute hours, all the traffic from main roads spills over into the side streets. Case in point - my parents have an independent house, but the road on which it's situated, has become a so called "short-cut". So when the main road gets congested, people take the "short-cut" to shave time. I can see this work in the newly planned areas..