Oklahoma City is often shortened to OKC and is the largest and capital city of Oklahoma. Oklahoma City is the county seat of Oklahoma County and the 25th most populous city in the country. The population of the city has grown over the last decade, with estimates recording a 655832 count in 2019. It is an important center for the country’s road network since most United States Interstate highways converge in the city. Three major Interstates bisects the city, namely, Interstate 35, Interstate 44, and Interstate 40. Oklahoma City has major expressways passing through its boundaries as well.