Hartsfield–Jackson Atlanta International Airport now the airport's second largest carrier. In May 2001 construction of an over fifth runway (10–28) began. It was completed at a cost of $1.28 billion and opened on May 27, 2006. It bridges Interstate 285 (the Perimeter) on the airport's south side, making Hartsfield–Jackson the nation's only civil airport to have a runway above an interstate (although Runway 17R/35L at Stapleton International Airport in Denver, Colorado crossed Interstate 70 until that airport closed in 1995). The massive project, which involved putting fill dirt eleven stories high in some places, destroyed some surrounding neighborhoods and dramatically changed the scenery of
Shahjalal International Airport International Airport and later as Zia International Airport, before being named in honour of Shah Jalal, who is one of the most respected Sufi saints of Bangladesh. The IATA code of the airport "DAC" is derived from "Dacca", which is the previously used spelling for "Dhaka". Hazrat Shahjalal International Airport is the primary hub of the national flag carrier Biman Bangladesh Airlines. In addition, it is also the main hub of most of the private airlines in Bangladesh including Regent Airways, Novoair and US-Bangla Airlines. The annual passenger handling capacity of the airport is 18.5 million passengers and this passenger