Kajang–Seremban Highway

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Quick Facts Expressway 21, Route information ...

Expressway 21
Kajang–Seremban Highway (Lekas Highway)
LEKAS in red
Route information
Maintained by Lebuhraya Kajang-Seremban Sdn. Bhd. (Lekas)
Length	44.3 km (27.5 mi)
Existed	2002–present
History	Completed in 2009
Major junctions
North end	Kajang Perdana Interchange Kajang, Selangor
Major intersections	Kajang Bypass Kajang Dispersal Link Expressway Kajang Dispersal Link Expressway FT 1 Federal Route 1 FT 31 Jalan Banting–Semenyih FT 3265 Jalan Nilai–Pajam FT 86 Federal Route 86 FT 51 Federal Route 51 FT 242 Persiaran Senawang 1
South end	Paroi Interchange Paroi, Negeri Sembilan
Location
Country	Malaysia
Primary destinations	Kuala Lumpur Cheras Kajang Semenyih Pajam Nilai Mantin Temiang Kuala Klawang Seremban City Centre Ampangan Senawang
Highway system
Highways in Malaysia Expressways Federal State

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The Kajang–Seremban Highway, KASEH Kajang–Seremban Highway (Malay: Lebuhraya Kajang–Seremban), or LEKAS Highway, is an expressway in Malaysia connecting Kajang, Selangor to Seremban, Negeri Sembilan. The speed limits on the expressway are 80 km/h (50 mph) for the Kajang Perdana–Kajang South and Setul–Paroi sections, and 110 km/h (68 mph) for all other sections.

The 44.3 km (27.5 mi) expressway is designed to pass through Semenyih, Pajam, Mantin, Temiang and link to the Seremban Inner Ring Road. It serves as an effective traffic dispersal for the highly congested Kajang in Selangor to Seremban in Negeri Sembilan besides the North–South Expressway Southern Route and the Kuala Lumpur–Seremban Expressway.

• The highway project has achieved several stages of completion.
• "Package 1A" from the SILK Interchange to Kajang South has been completed and opened to the public.
• "Package 1B" from the Kajang Selatan Interchange to Pajam Interchange, earthworks and major drainage have been completed.
• "Packages 2A and 3" from Pajam Interchange to Paroi, all land acquisitions have been completed. Part of the alignment between Mantin Interchange and Setul Interchange has been approved for realignment.

The Kilometre Zero of the expressway starts right after the Exit 1804 Kajang Perdana Interchange which connects the expressway with the E18 Kajang Dispersal Link Expressway and the Kajang Bypass near Kajang, Selangor.

The project was approved by the government in 1997 and the construction of the expressway began on 2002; however, the financial problems faced by the original concessionnaire, Kajang–Seremban Highway Sdn. Bhd. (Kaseh) had forced the construction works to be delayed. The project was revitalized in November 2006 after a takeover by a new concessionnaire, Lebuhraya Kajang-Seremban Sdn. Bhd. (Lekas), which 50% of the stake was held by IJM Corporation Berhad and the rest of the stake was held by the original concessionnaire, Kajang–Seremban Highway Sdn. Bhd.^[1] This project was scheduled for completion by December 2009.

Phase 1 of the expressway connecting Kajang South to Pajam was officially opened on 23 August 2008. The main subcontractor was WCT, which then subcontracted the beam-manufacturing to Mudajaya. As a normal procedure to allow users to familiarize with the highway, the highway will be toll free for a month from opening.^[2]

The highway system was extended with the opening of Mantin toll plaza on 31 December 2008. Again, the main subcontractor was WCT, and the beam-manufacturer was Mudajaya. Most of the shorter beams like the Ms and Inverted Ts were manufactured at Mudajaya's production plant in Ijok, Selangor, whilst the longer and more "treacherous" I-beams were produced on the site itself. As per normal practice, the route was toll free until 30 January 2009.^[3]

On 1 March 2010, the Setul and Ampangan Interchange opened for traffic.^[4]

• Six-lane carriageway from Kajang to Setul.
• Medium to high speed limits of 80 km/h (Kajang Perdana–Kajang South and Setul–Paroi) and 110 km/h (all other sections).
• A SOS emergency phone.
• The Setul toll plaza is the highest toll plaza in Malaysia located at the hilly top of Gunung Mantin-Seremban at 258 metres above sea level.

As part of an initiative to facilitate faster transactions at all toll plazas, all toll transactions on the Kajang–Seremban Highway have been conducted electronically via Touch 'n Go cards or SmartTAGs since 2 March 2016.^[6] This is the first closed toll expressway to phase out the closed toll system.