Concourse D was one of the airport's original 1959 concourses, having opened as Concourse 5. The 300-level concourse is the highest of the concourses. Most UMD buildings are connected by concourses or hallways. Terminal 2 has 29 gates across three concourses and the main terminal building. Terminals B and C have three concourses. The airport has two terminals with a total of five concourses. Concession stands selling traditional ballpark fare are plentiful on the main and upper concourses. CLT has 115 gates on five concourses. This terminal has two angled concourses, each with 11 gates. The original terminal had 17 gates on two concourses. Memphis International Airport has one terminal and three concourses. There are 23 gates in the two concourses. The terminal has 3 levels and 3 concourses with 35 gates. The airport has East and West Concourses. Terminals 1, 2 and 3 connect to the five concourses.