Malaysian Federal Roads System (Malay: Sistem Jalan Persekutuan Malaysia), is the main national road network in Malaysia. All Federal Roads in Malaysia are under the purview of the Ministry of Works (MOW). According to the Ministerial Functions Act 1969, the MOW is responsible to plan, build and maintain all Federal Roads gazetted under the Federal Roads Act 1959.^[3] However, most of the Federal roads' projects were built and maintained by the Malaysian Public Works Department (JKR), which is also one of the implementing agencies under the MOW (with the exception of Sabah and Sarawak, whereby JKR in these two states is under respective state government).

Most of the federal roads in Peninsular Malaysia were built during the British colonial era before 1957. At that time, the British government built the roads in order to enable them to transport goods and commodities easier.

In Sabah, most of the federal roads were built during the occupation of British North Borneo under North Borneo Chartered Company administration, and unlike most federal roads in Peninsular Malaysia which uses only numbers to label federal roads, Sabah federal road codes begin with the letter A followed by route number.

However, in Sarawak, no road network system was developed during the rule of White Rajah Brooke dynasty. As a result, right after Sarawak joined the federation of Malaysia on 16 September 1963, the federal government of Malaysia began to build a road network system connecting Sarawak to Sabah, known as Pan Borneo Highway.

Asian Highway Network is an international project between Asian nations to develop their highway systems which will form the main routes in the Asian Highway network. There are 7 Asian Highway routes passing through Malaysia - AH2, AH18, AH140, AH141, AH142, AH143, and AH150.

The Malaysian section of Route AH2 consists of:-

• North–South Expressway
• New Klang Valley Expressway
• North–South Expressway Central Link
• Federal Route 1
• Johor Bahru Eastern Dispersal Link Expressway
• Johor Causeway

The Malaysian section of Route AH18 consists of:-

• Federal Route 3
• Kuantan Bypass
• Johor Bahru–Kota Tinggi Highway

The Malaysian section of Route AH140 consists of:-

• Butterworth–Kulim Expressway
• East–West Highway
• Federal Route 4

The Malaysian section of Route AH141 consists of:-

• North Klang Straits Bypass and New North Klang Straits Bypass
• New Klang Valley Expressway
• Duta–Ulu Klang Expressway
• Kuala Lumpur Middle Ring Road 2
• Kuala Lumpur–Karak Expressway
• East Coast Expressway
• Gebeng Bypass

The Malaysian section of Route AH142 consists of:-

• MEC Highway
• Tun Razak Highway
• Federal Route 1

The Malaysian section of Route AH143 consists of:-

• Second Link Expressway
• Malaysia–Singapore Second Crossing

The Malaysian section of Route AH150 consists of:-

• Pan Borneo Highway
• Miri–Baram Highway

This section does not cite any sources. (December 2022)

Malaysian federal roads were previously maintained by the Public Works Department itself; since 2000, several private contractors were appointed by the JKR to provide maintenance to the federal roads by region.^[4][5]

More information Regions, Company ...

Regions	Company
Perlis  Kedah  Penang	THB Maintenance Sdn. Bhd.
Perak	Belati Wangsa (M) Sdn Bhd
Selangor Federal Territory of Kuala Lumpur Federal Territory of Putrajaya  Pahang  Terengganu  Kelantan	Roadcare (M) Sdn Bhd
Negeri Sembilan  Malacca  Johor	Selia Selenggara Selatan (M) Sdn Bhd
Sabah Federal Territory of Labuan	Lintasan Resources Sdn Bhd
Sarawak	DAL HCM Sdn. Bhd.

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• Rest and Service Area and Restaurant and Rest Plaza – These facilities can be found at all federal roads such as Batak Rabit, Temerloh, Bandar Al-Muktafi Billah Shah and Mersing.
• U-turn – These U-turns can be found at the dual carriageway road.
• JKR Road Complaint Hotline – These services can be found at all signboards along federal roads.
• Road Transport Department (JPJ) Enforcement Stations – These stations can be found at all federal roads. These JPJ enforcement stations have weighing bridges to detect heavy vehicles.
• Police Watch Tower – These towers can be found at all federal roads in Malaysia to monitored traffic situations during festive seasons.
• Pedestrian bridge – These bridge can be found at schools, institutional facilities and towns.
• Traffic lights – These yellow light can be found at the junctions and intersections.
• Warning lights – These yellow light can be found at the hazardous and accident areas.
• Automated Enforcement System (AES) – These systems can be found at accident-prone areas and the red-light camera at traffic light junctions.
• Kilometre Post Monument – These monument usually found opposite the Pos Malaysia post office in the town.

• The Pan Borneo Highway is the longest federal road system in Malaysia, with the total length of 1047.18 km (length measured from Sematan, Kuching to Sungai Tujuh, Miri). If measured from Sematan (Sarawak) to Serudong (Sabah), the total length is estimated to be 1900 km (excluding Brunei stretch of Pan Borneo Highway).
• Federal Routes 1, 77, 76, 5, 24 and 3 were main routes for Japanese Imperial forces from Thailand to Singapore during the Battle of Malaya between 1941 and 1942. There are many abandoned World War II-era bunkers along the roads.
• The Federal Route 1 is the earliest federal road in Malaysia and also the longest federal road in Peninsular Malaysia. Sarawak Federal Route is also labelled as no.1, with same signage.
• The service roads of Persiaran Raja Muda Musa (Route 2), labeled as 2A and 2B, are the only service roads designated as federal roads.
• Jalan Gunung Brinchang route 432 is the highest federal road and also the highest motorable road in Malaysia.
• The Tanjung Malim–Slim River tolled road (Federal Route 1) is the first tolled highway in Malaysia.
• The Sultan Yahya Petra Bridge (Federal Route 3) is the first tolled bridge in Malaysia.
• Jalan Sitiawan–Batak Rabit and Skudai–Pontian Highway (both on Federal Route 5) are the only federal roads paved with concrete. Meanwhile, the section of Federal Highway Route 2 from Subang Jaya to Kota Darul Ehsan is paved with asphalt.
• Putrajaya–Cyberjaya Expressway route 29 is the first future federal highway on Multimedia Super Corridor (MSC).
• The biggest cloverleaf federal highway interchange in Malaysia is Bulatan Darul Ehsan of Federal Highway route 2 in Shah Alam, Selangor.
• While most major airports in Malaysia have only one federal access road for each airport, there are two airports being served by more than one federal roads, namely the Kuala Lumpur International Airport (KLIA) and the Langkawi International Airport. The KLIA is being served by KLIA Expressway route 26, KLIA Outer Ring Road route 27, Putrajaya–Cyberjaya Expressway route 29, Jalan KLIA 1 route 182 and Jalan Masjid KLIA route 341, while the Langkawi International Airport is being served by Jalan Lapangan Terbang Langkawi 1 route 105 and Jalan Lapangan Terbang Langkawi 2 route 168.
• Langkawi Island and Labuan Island are a main island in Malaysia have a lot of federal roads.
• Sarawak is connected to Brunei and Indonesia via its vast federal road networks. However, Sarawak is the only state with missing link in its main federal road trunk, which is at Sungai Pandaruan which separates Sarawak district of Limbang and Brunei district of Temburong. However, there is no missing link between Kuching and Miri, as well as from Brunei district of Temburong to Lawas then up to Tawau in Sabah.
• There is one bailey bridge in Sarawak federal trunk road, which is also the narrowest bridge in federal road network system in Malaysia, crossing Batang Merapok at Lawas, Sarawak.
• There is one semi tunnel on the East–West Highway (Route 4) from Gerik, Perak to Jeli, Kelantan. It is probably the only one of its type in Malaysia.

• Road signs in Malaysia
• National Speed Limits
• Malaysian Expressway System
• Malaysian State Roads system
• Highway
• United States Numbered Highways