Getting to Seattle by Road - 2 Interstate Highways
There is a very good network of interstate highways in the USA. These highways are generally designated by the letter 'I' and the suffix is the corresponding number of the highway. The even numbers are given to those Interstate Highways that generally go in the east-west direction and those highways that go in the north-south direction generally have odd numbers. The Interstate highways are generally bigger than the State highways and they are also identified by giving a number such as Highway 202. Read More..

