Setiawangsa–Pantai Expressway

Setiawangsa–Pantai Expressway (SPE) is a 29.8 km expressway in Klang Valley, Malaysia that connects Taman Melati and Klang Gates from Kuala Lumpur Middle Ring Road 2 to  - Kerinchi Link and  Federal Highway at Kerinchi near Pantai and University of Malaya. The alignment of this highway will traverse north to south of Kuala Lumpur and will serve areas such as Tunku Abdul Rahman University of Management and Technology, Wangsa Maju, Setiawangsa, Ampang, the Tun Razak Exchange and Bandar Malaysia development corridor as well as providing a connection to Kuala Lumpur-Karak Experessay to the east coast. It was built and maintained by Ekovest Berhad. It is formerly known as DUKE Phase 3.

Route background
Most sections of this expressway are elevated. It has seven interchanges and a few toll plazas which are all elevated as well. It is a dual-two carriageway with six and four lanes (three or two lanes on either direction) without an emergency lane. It is constructed according to JKR R6 design standards being defined in the Arahan Teknik 8/86: A Guide on Geometric Design of Roads (controlled-access expressway with design speed limit of 120 km/h and a lane width of 3.56 m).

History
It is formerly known as DUKE Phase 3, and a part of the DUKE Extension Expressway Project but upon construction it is changed to a different name and uses  instead. On 12 April 2021, the expressway has been given a title on the Malaysia Book Of Records for two categories, which are the longest prestressed T-shaped concrete bridge and longest T-shaped prestressed concrete beam. There are 424 BH beams used, and the longest bridge that used the BH Girder is 67.5 meters long.

On 22 December 2021, Section 4 of the road (Taman Melati to Setiawangsa) was opened to the public. The rest of the highway (Sections 1-3) of the road (Kerinchi to Wangsa Maju) was opened on 3 November 2023.

Features

 * The whole main link of the expressway will be elevated entirely.
 * Starting at Kampung Pandan to Taman Desa, the expressway features a double-decker flyover.
 * One of only few highways in Malaysia to have a double-decker flyover.
 * All toll plazas are elevated.
 * Kuala Lumpur and Petaling Jaya skyline can be seen on almost all parts of the highway.

Junction list
Below is a list of interchanges (exits) and toll plazas along Setiawangsa - Pantai Expressway. Exits are arranged in ascending numerical order from North to South.

Legend:


 * I/C - interchange, I/S - intersection, RSA - Rest and service area, OBR - overhead bridge restaurant, L/B - layby, V/P - vista point, TN - tunnel, T/P - toll plaza, BR - bridge

Concurrency Terminus • Incomplete access •  Unopened

Controversy

 * Jalan U-Thant residents filed a lawsuit claiming the expressway built next to their houses disregards the impact on their health and well-being with the increased noise levels and air pollution.
 * A Facebook page was created protesting against the construction claiming many reasons the expressway is bad for a lot of aspects.
 * While the expressway was under construction, roads under the expressway alignment were severely damaged as a result of poor construction site maintenance and had problems such as potholes, poor lighting, faulty traffic lights and poor drainage that caused implications including accidents as well as damages to the vehicles using these roads.