E18 Kajang Dispersal Link Expressway, SILK, also known as Kajang SILK Highway (), is an expressway built to disperse and regulate the traffic flow in Kajang, Selangor, Malaysia. The expressway is to allow motorists to bypass the town centre of Kajang. It is also useful as the main ring road of Kajang.

The Kilometre Zero is located at Mines Interchange near Seri Kembangan.

History Kajang Dispersal Link Expressway used to be called Jalan Kajang–Puchong (Jalan Sungai Chua on Kajang town side) 11 and Jalan Balakong 3211. The huge traffic jams that clogged traffic flow in Kajang town centre were the main reason behind the construction of the highway. Construction began in 2002. The expressway was completed in 2003 and began operation on 15 June 2004.

Features

Kajang Dispersal Link Expressway is fully lit at night and has 11 multi-level interchanges. The expressway has computerized traffic information display and monitoring system and 24-hour highway patrol. The expressway concessionaire offers emergency and vehicle breakdown assistance.

Tolls The Kajang Dispersal Link Expressway uses opened toll systems. In October 2022, it was one of the four expressways maintained by PROLINTAS to have its toll rates deducted between 8% and 15%.

In almost every plazas, one of the toll booth marked "Touch 'n Go" houses a Touch 'n Go card reload machine on both the directions (except Sungai Balak, which is only available in the Southbound direction), totalling 7 spots which users can reload their card without fee all the time.

Electronic Toll Collections (ETC) As part of an initiative to facilitate faster transaction at the Sungai Long, Bukit Kajang, Sungai Ramal and Sungai Balak Toll Plazas, all toll transactions at four toll plazas on the Kajang Dispersal Link Expressway have been conducted electronically via Touch 'n Go cards, bank cards with NFC function (VISA & Mastercard), myRFID or SmartTAGs currently.

Self-Service TnG Card Reload Machine In almost every toll plaza on both directions, one of the toll booth is marked "Tambah Nilai" ("Top Up") in blue color along with "Touch N' Go" logo. In those booths, a self-service Touch 'n Go card reload machine before the scanner location can be found, allowing users to reload their card anytime.

Availability of such facility as of May 2026 is as follow. +Toll PlazaReload MachineCountSungai Balak (TSB)Southbound only1Sungai Ramal (TSR)Both directions2Sungai Long (TSL)Both directions2Bukit KajangBoth directions2

Toll rates (Starting 20 October 2022) ClassType of vehiclesRate (in Malaysian Ringgit (RM))0Motorcycles, bicycles or vehicles with 2 or less wheelsFree1Vehicles with 2 axles and 3 or 4 wheels excluding taxisRM1.662Vehicles with 2 axles and 5 or 6 wheels excluding busesRM3.603Vehicles with 3 or more axlesRM5.404TaxisRM0.835BusesRM0.92 AbbreviationNameTSLSungai LongTBKBukit KajangTSRSungai RamalTSBSungai Balak

Accidents

2025 Bukit Kajang Toll Plaza Accident On 27 September 2025, a one-year-old boy was killed and eight others were injured in a four-vehicle accident at the Bukit Kajang toll plaza. On 5 October 2025, a Malaysian Public Works Department Shah Alam District officer Mohd Hafizi bin Anuar died after 9 days of operation in Kajang Hospital, totalling up to two people killed in this accident.

Interchanges list The entire route is located in Selangor.

Main Link DistrictkmExitNameDestinationsNotesPetaling0.0902Mines I/C – Seri Kembangan, Sungai Besi, Kuala Lumpur, Ampang, Seremban, Putrajaya, Cyberjaya, Kuala Lumpur International Airport (KLIA), University of Putra Malaysia (UPM) , National Defence University of Malaysia (UPNM) Directional-T interchangeMines flyover(towards Balakong only)Mines I/SJalan Dulang – Mines Resort City, The Mines , Malaysia International Exhibition and Convention Centre (MIECC)T-junctionsTaman Sungai Besi IndahTaman Seri TimahHulu LangatTaman Bukit BelimbingJalan Belimbing – Taman Bukit BelimbingEastboundTaming Jaya Industrial ParkWestboundTaman Taming Jaya I/CTaman Taming Jaya, Taman Sri Cheras, U-TurnDiamond interchangeKampung Baru BalakongEastboundTaman Taming KiriWestboundTaman Impian EhsanTaman Impian Ehsan, Taman Impian IndahWestboundTaman Cheras Jaya U-TurnU-TurnDiamond interchangeTaman Cheras JayaJalan CJ 3 – Taman Cheras Jaya, Cheras Jaya Industrial ParkWestboundBandar Tun Hussein OnnJalan Suakasih – Bandar Tun Hussein OnnEastboundTaman Sri IndahWestboundTaman Cheras PerdanaEastbound1801Balakong I/C Jalan Balakong – Balakong – Kuala Lumpur, Cheras, Kajang, AmpangInterchangeBRSungai Langat bridge7.91803Sungai Long I/CJalan Sungai Long – Balakong, Kuala Lumpur, Cheras, Kajang, Bandar Sungai Long, Bandar Mahkota Cheras, Universiti Tunku Abdul Rahman Sungai Long Campus InterchangeT/PSungai Long Toll Plaza 1803ASungai Long South I/C – Gombak, Ukay Perdana, Ulu Klang, Ampang, Hulu LangatTrumpet interchange16.61804Kajang Perdana I/C Kajang Bypass – Kuala Lumpur, Cheras – Semenyih, Mantin, SerembanCloverleaf interchange1805Kajang Prima I/C Malaysia Federal Route 1 – Kajang town centre, Semenyih, SerembanHalf-diamond interchangeT/PBukit Kajang Toll Plaza RSABukit Kajang RSA Bukit Kajang RSA – EastboundTaman Bukit MewahJalan Bukit Mewah 9/1 – Taman Bukit Mewah, Science and Technology Research Institute for Defence (STRIDE)WestboundTaman Bukit MewahJalan Bukit Mewah 41 – Taman Bukit MewahEastbound1805AKajang Utama I/CJalan Maju – Taman Kajang UtamaHalf diamond interchangeMIROSMalaysian Institute of Road Safety Research (MIROS)EastboundBRRailway crossing bridge1806Jalan Reko I/C Jalan Reko – Kajang, Bangi, Bandar Baru Bangi, Universiti Kebangsaan Malaysia (UKM) Parcelo interchangeJalan Wan Siew I/CJalan Wan SiewParcelo interchangeT/PSungai Ramal (East) Toll Plaza Taman Putra KajangJalan Taman Putra Kajang – Taman Putra KajangWestboundT/PSungai Ramal (West) Toll Plaza L/BSungai Ramal L/B Sungai Ramal L/B – Persiaran Sungai Chua – Pusat Perindustrian Sungai ChuaEastboundBRSungai Ramal bridge24.41807Sungai Ramal I/C – Cheras, Kuala Lumpur, Kajang town centreDirectional-T interchangeL/BShell L/B ShellWestboundKampung Sungai Ramal DalamKampung Sungai Ramal DalamWestbound1808Country Heights I/C – Kuala Lumpur, Seremban, Malacca, Johor BahruPersiaran Jaya – Country Heights, Bandar Baru BangiMulti level stacked diamond interchangeL/BPetronas L/B PetronasWestboundSepangMalaysian Highway AuthorityMalaysian Highway Authority Main Headquarters and Central Regional OfficeWestbound1809Uniten I/C – Putrajaya, Cyberjaya, Kuala Lumpur International Airport (KLIA), Puchong, Shah Alam, Bandar Saujana Putra, Banting, Telok Panglima Garang, Klang, Pulau Indah Jalan Uniten–Dengkil – Bangi,Universiti Tenaga Nasional (Uniten) , DengkilCloverleaf interchangeLebuh Silikon I/CLebuh Silikon – University of Putra Malaysia (UPM) Diamond interchange1810901UPM I/C Jalan Serdang – University of Putra Malaysia (UPM) , Seri Kembangan, Serdang – Kuala Lumpur, Seremban, Malacca, Johor BahruDiamond interchangePetaling–––Through to

Sungai Ramal–Sungai Balak Link The entire route is located in Hulu Langat District, Selangor. kmExitNameDestinationsNotes1807Sungai Ramal I/C – Seremban, Putrajaya, Cyberjaya, Kuala Lumpur International Airport (KLIA), Bangi, Universiti Kebangsaan Malaysia (UKM) , SemenyihDirectional-T interchangeKampung Sungai Ramal LuarKampung Sungai Ramal Luar, Masjid Sungai RamalNorthboundKampung Sungai Ramal Luar I/CKampung Sungai Ramal Luar, Sekolah Kebangsaan Leftenan Adnan (SKLA)Diamond interchangeBRSungai Ramal bridge1812Sungai Chua I/CJalan Bukit Angkat – Sungai Chua, Bukit Angkat Jalan Sungai Chua – Kajang town centreDiamond interchangeBRRailway crossing bridgeT/PSungai Balak Toll Plaza Simpang Balak I/CJalan Simpang BalakHalf diamond interchangeBRSungai Balak bridgeBRSungai Langat bridge29.9A707ASungai Balak I/C – Kuala Lumpur, Cheras, Kajang, SemenyihTrumpet interchange

References

External links Kajang Dispersal Link Expressway