Public transportation stops are a type of service and can be used to increase happiness and building level.Longer lines with more stops will spawn more vehicles.Increasing the funding of a particular type of public transportation will increase the number of vehicles used on every line of that type.However, it can be a good idea to use dedicated passenger railways to prevent congestion of freight trains. They become more effective in large, sprawling cities that are widely dispersed. Passenger trains are currently not especially useful for transport within a city, though can be useful for bringing tourists to the city.A good mix of buses that complement a metro system is the most effective overall solution. Metro is the most effective transportation system, but it is also quite costly.Buses can be quite inexpensive and effective, but too many buses overlapping can cause congestion.Start using public transportation as soon as possible, and try to keep the lines simple.The main purpose of public transportation is to reduce traffic by offering your citizens an alternative to driving, and is essential for creating an effective city. Electricity has an area of influence where it carries from one building to another, so power lines are only needed to carry electricity between longer distances.If the body of water provided has no current, it's recommended to use water towers on non-polluted ground. Always have your water pumping station upstream of your drain pipe with a comfortable distance apart, otherwise you will pollute the drinking water and poison your citizens.Once you unlock taxes, you can set the rates to 11-12% without making citizens and businesses unhappy.You get a money bonus when you reach population milestones.