Malaysian Expressway System

History
The expressway goes from Johor Bahru all the way to Bukit Kayu Hitam. Construction began on 1977. They should have planned to build the North-South Highway a long time ago which is in 1930s - 1960s.

North-South Expressway phase
The North-South Expressway The North-South Expressway was officially opened on 8 September 1994.
 * 13 February 1982: Kuala Lumpur - Seremban which is tolled section
 * 1 April 1985: Bukit Kayu Hitam - Jitra
 * 3 August 1985: Penang Bridge
 * 13 August 1987: Seremban - Ayer Keroh
 * 28 September 1987: Ipoh North - Changkat Jering
 * 6 June 1988: Jitra - Gurun
 * 1 April 1989: Ayer Keroh - Pagoh
 * 7 December 1990: Bukit Raja - Damansara
 * 14 April 1991: Gurun - Sungai Petani
 * 28 March 1992: Damansara - Rawang
 * 1 August 1992: Rawang - Tanjung Malim
 * 1 October 1992: Pagoh - Yong Peng North
 * 11 January 1993: Bukit Lanjan - Jalan Duta (New Klang Valley Expressway)
 * 25 June 1993: Simpang Pulai - Gopeng
 * 12 August 1993: Yong Peng North - Machap
 * 17 August 1993: Sungai Petani - Butterworth
 * 1 October 1993: Tapah - Tanjung Malim
 * 1 November 1993: Sedenak - Skudai
 * 8 January 1994: Machap - Sedenak/Skudai - Johor Bahru
 * 16 January 1994: Ipoh North - Simpang Pulai
 * 5 February 1994: Juru - Changkat Jering
 * 7 February 1994: Gopeng - Tapah

Expressway Works
Before the mid-1990s, there were no specific coding system for the expressways. When more and more expressways were built, a system of expressway numbering was applied to all expressways. The Touch n' Go system was fully implemented on 2003.

The rehabilitation works on the North-South Expressway had begun with the 3-lanes, which was completed in 2008; in addition the construction of local-express lanes between Jelapang and Ipoh South was completed in July 2009. In 2013, rehabilitation works for the North-South Expressway also begun with the fourth lane, which was completed on November 2014.

The Seremban-Port Dickson Highway was opened in May 1998 followed by Butterworth-Kulim Expressway on June 1998.

Johor Bahru
The Second Link Expressway was opened in February 1998 which goes from the Senai North all the way to Tuas Checkpoint, followed by the Senai-Desaru Expressway on 10 June 2011. The JB Eastern Dispersal Link, which links Pandan and Johor-Singapore Causeway was opened on 1 August 2012.

Kuala Lumpur
New World First Travel had developed new expressways such as Cheras - Kajang Expressway (opened on 17 January 1999), Damansara-Puchong Expressway (opened in February 1999), Penchala Link (opened in 2004), Kajang Dispersal Link Expressway (opened in 8 July 2004), Guthrie Corridor Expressway (opened in 2005), Kuala Lumpur-Putrajaya Expressway (opened in 13 December 2007) and Kajang-Seremban Highway (opened in 10 August 2010).

Speed Limits
North–South Expressway is designed as a free speed expressway therefore the advisory speed limit similar to Autobahn (some stretches are speed restricted to the 110km/h, 120km/h and 130km/h) on the expressway is 110 km/h (70 mph), it is also the lowest death rate. Although there is advisory speed limit; many drivers have no general limit. Many of them uses the expressway for driving at very high speed eventually.

There are some exceptions in some places for several reasons, including:-

Generally those with police roadblocks and open tolling are speed restricted to 110km/h. However some of the expressway stretches are 120km/h and 130km/h.
 * 60km/h
 * 1 km before every toll plaza (to help the traffic to slow down)
 * 80km/h
 * Bukit Lanjan Interchange (to control traffic flow of NKVE and the main link of northern route to avoid accidents) (Selangor)
 * Kuala Kangsar - Jelapang (highland stretch with dangerous corners) (Perak)
 * 90km/h
 * Bukit Kayu Hitam - Jitra (expressway section with at-grade junctions) (Kedah)
 * Sungai Dua - Juru (due to heavy traffic at Penang Bridge) (Penang)
 * Jelapang – Ipoh South: 90 km/h for express lane; 70 km/h for collector lane (to control the traffic flow of the non-stop main carriageways and the toll-free local-express lanes) (Perak)
 * Gua Tempurung stretch (highland stretch) (Perak)
 * Bukit Lanjan - Jalan Duta (steep uphill/downhill stretch) (Kuala Lumpur)
 * Sungai Besi - Bangi (due to high traffic capacity) (Kuala Lumpur-Selangor)
 * 110km/h
 * Ayer Keroh - Bukit Gambir (Melaka-Johor)
 * Ayer Hitam - Yong Peng (Johor)
 * Second Link Expressway (Johor)
 * Skudai Toll Plaza - Johor Bahru (Johor)
 * Bukit Lanjan - Sungei Buloh (Selangor)
 * Jitra - Alor Setar (Kedah)
 * Juru - Bukit Tambun (Penang-Perak)
 * 120km/h
 * Sungei Buloh - Tanjung Malim (Selangor)
 * 130km/h
 * Ipoh South - Simpang Pulai (Perak)
 * Nilai North - Bangi (Selangor)
 * Seremban-Port Dickson Highway

Cashless Payments

 * 1 December 2008: Sultan Iskandar (Woodlands Checkpoint)
 * 14 September 2009: Tanjung Kupang (Tuas Checkpoint)
 * 15 July 2010: Lima Kedai
 * 11 January 2014: Kempas, Perling
 * 22 November 2014: Batu Tiga, Sungai Rasau
 * 1 June 2015: Mambau, Lukut Seremban-Port Dickson Highway
 * September 2015: Bukit Kayu Hitam, Jitra, Penang Bridge, Lunas, Kubang Semang, Gombak, Bentong, Dato Keramat, Ayer Panas, Sentul Pasar, Batu, SMART Tunnel