Federal Route 257
Jalan Lencongan Barat
Route information
Length	12.00 km (7.46 mi)
Major junctions
Beltway around Sungai Petani
North end	Sungai Petani North FT 1 Jalan Badlishah
Major intersections	FT 1 Federal Route 1
South end	Bakar Arang
Location
Country	Malaysia
Primary destinations	Sungai Layar
Highway system
Highways in Malaysia Expressways Federal State

Jalan Lencongan Barat or Sungai Petani Western Bypass, Federal Route 257, is a major highway bypass in Sungai Petani, Kedah, Malaysia.^[1] The Kilometre Zero of the Federal Route 257 is located at Sungai Petani South.

In 2013, the highway was gazetted as Federal Route 257.

At most sections, the Federal Route 257 was built under the JKR R5 road standard, allowing maximum speed limit of up to 90 km/h.

Km	Exit	Junctions	To	Remarks
		Sungai Petani (South)-NSE Interchange	North–South Expressway Northern Route AH2 North–South Expressway Northern Route North North–South Expressway Northern Route FT 1 AH2 Alor Star North–South Expressway Northern Route FT 1 AH2 Pendang North–South Expressway Northern Route FT 1 AH2 Gurun South North–South Expressway Northern Route AH2 Kuala Lumpur Penang Bridge Penang North–South Expressway Northern Route AH2 Bertam	Closed tolled trumpet expressway interchange
Sungai Petani (South) toll plaza SPS PLUSTransit Touch 'n Go SmartTAG MyRFID SmartTAG Touch 'n Go RM (Cash) Closed toll system Collect PLUSTransit cards and pay a distance toll
		Sungai Petani (South) Toll Plaza	TnG TAG Customer Service Centre
North–South Expressway Northern Route AH2 North–South Expressway Northern Route Start/End of expressway PLUS Expressways border limit
FT 257 Jalan Lencongan Barat Start/End of highway JKR border limit
		Bakar Arang Junctions	South Jalan Permatang Gedong Taman Bakar Arang	Junctions
FT 257 0		Sungai Petani South Junctions	North FT 1 Sungai Petani town centre South FT 1 Butterworth FT 1 Kepala Batas FT 225 Bandar Amanjaya FT 67 Kuala Ketil FT 67 Baling	Junctions
		Jalan Batu Lintang Junctions	K160 Jalan Batu Lintang West K160 Pengkalan Batu Lintang K160 Pengkalan Bukit Kecil East K160 Sungai Petani town centre	Junctions
		Taman Delima Junctions	East Lebuh Delima Taman Delima	Junctions
		Sungai Petani bridge
		Jalan Penghulu Him Junctions	Jalan Penghulu Him West Sungai Layar East Sungai Petani town centre	Junctions
		Sungai Layar Junctions	K657 Jalan Sungai Layar West Sungai Layar East Sungai Petani town centre	Junctions
		Jalan Raya Semeling Junctions	K167 Jalan Raya Semeling North K167 Semeling K1 Merbok K1 Lembah Bujang Southeast K167 Sungai Petani town centre	Junctions
		Lebuh Laguna Merbuk 1 Junctions	North Lebuh Laguna Merbuk 1 Bandar Laguna Merbok	Junctions
		Lebuh Laguna Merbuk 5 Junctions	North Lebuh Laguna Merbuk 5 Bandar Laguna Merbok	Junctions
		Railway crossing bridge
		Sungai Petani North Junctions	North FT 1 Alor Star FT 1 Gurun FT 1 Guar Cempedak FT 252 Gunung Jerai South FT 1 Sungai Petani town centre FT 225 Bandar Amanjaya FT 67 Kuala Ketil FT 67 Baling	Junctions
FT 257 Jalan Lencongan Barat Start/End of highway JKR border limit
North–South Expressway Northern Route AH2 North–South Expressway Northern Route Start/End of expressway PLUS Expressways border limit
		Sungai Petani (North) Toll Plaza	TnG TAG Customer Service Centre
Sungai Petani (North) toll plaza SPU RM (Cash) Touch 'n Go SmartTAG MyRFID SmartTAG Touch 'n Go PLUSTransit Closed toll system Collect PLUSTransit cards and pay a distance toll
		Sungai Petani (North)-NSE Interchange	North–South Expressway Northern Route AH2 North–South Expressway Northern Route North North–South Expressway Northern Route FT 1 AH2 Alor Star North–South Expressway Northern Route FT 1 AH2 Pendang North–South Expressway Northern Route FT 1 AH2 Gurun South North–South Expressway Northern Route AH2 Kuala Lumpur Penang Bridge Penang North–South Expressway Northern Route AH2 Bertam	Closed tolled trumpet expressway interchange

• FT 225 Jalan Lencongan Timur