Columbia, IA (50057) is a small city located in the outskirts of Cedar Rapids. The city has an excellent public transportation system available for both its residents and visitors. The main mode of transportation is the Iowa City Transit, which offers bus routes throughout Columbia and its surrounding areas. Additionally, there are two taxi services (City Cab and Bluebird Cab) that serve the city as well as several private car services. All of these services enable people to quickly get from one place to another within the city. For those who prefer to travel by bike or walk, there are numerous bike lanes and sidewalks throughout Columbia that make it easy for people to get around town safely on foot or on bicycle.