Read the passage and create a timeline based on the events described in the text. After you've put the events in order, identify one conclusion that can be drawn from their chronology. Use precise language to describe your conclusion.

Throughout the 1600s, the population of London increased rapidly as people from across Great Britain and the world moved to the city and called it home. How could the city support all these people? A complex infrastructure was needed to accommodate the growing urban population. Throughout the 17th century, London officials built systems to serve people's water, sewage, and electricity needs. In 1609, the city connected 30,000 homes to a new reservoir in hopes of bringing them safer drinking water. Almost 50 years later, in 1662, city officials started a mail delivery system. And four years later, regularly lit streetlamps allowed people to stroll London's main streets at night. London's rising population also brought an increase in traffic. Starting in 1625, people had to get licenses to drive carriages on city streets. Buses also crowded London's streets. Traffic jams were common. For example, in 1661, one Londoner named Samuel Pepys said he was stuck in his carriage in a traffic jam for an hour and a half.