Sultanah Bahiyah Highway

The Sultanah Bahiyah Highway (Malay: Lebuhraya Sultanah Bahiyah), Federal Route 255 (formerly Alor Setar Bypass and Jalan Sultanah, both Kedah State Route K139) is a major highway bypass in Alor Star, Kedah, Malaysia. It was named after the late Sultanah Bahiyah, a first consort of Sultan Abdul Halim of Kedah. The Kilometre Zero is located at Alor Setar North.

History

On November 2003, after a first consort of Sultan Abdul Halim of Kedah, Sultanah Bahiyah, died on 26 August 2003, the Kedah state government renamed the highway Sultanah Bahiyah Highway in her honour.

In 2013, the highway was gazetted as Federal Route 255.

Features

At most sections, the Federal Route 255 was built under the JKR R5 road standard, allowing maximum speed limit of up to 90 km/h.

List of junctions

Km	Exit	Junctions	To	Remarks
0	EXIT 25501 EXIT 178	Alor Star (North)-NSE Interchange	North-South Expressway Northern Route North Hat Yai (Thailand) Bukit Kayu Hitam Jitra South Kuala Lumpur Penang	Closed tolled trumpet expressway interchange
Alor Star (North) toll plaza ASU PLUSTransit TnG TAG TAG TnG RM (Cash) Closed toll system Collect PLUSTransit cards and pay a distance toll
1.3		Alor Setar (North) Toll Plaza	TnG TAG Customer Service Centre
1.4		PLUS PLUS Expressways section maintainences office PROPEL PROPEL section maintainences office	PLUS PLUS Expressways section maintainences office PROPEL PROPEL section maintainences office	Service t-junctions
North-South Expressway Northern Route Start/End of expressway PLUS Expressways border limit
Sultanah Bahiyah Highway JKR border limit
1.6	EXIT 25502	Jalan Langgar Junctions	K8 Jalan Langgar North Langgar Pokok Sena Jitra Kepala Batas Sultan Abdul Halim Airport South Kota Sarang Semut Gurun Sungai Petani	Junctions
4.1	EXIT 25506	Darul Aman Highway Junctions	Darul Aman Highway North Anak Bukit Kepala Batas Jitra Sultan Abdul Halim Airport South City Centre	T-junctions
		Sungai Anak Bukit bridge
		Kampung Pumpong
	EXIT 25507	Jalan Gangsa Junctions	K137 Jalan Gangsa	Junctions
		Taman Wira Mergong
		Taman Shahab
		Taman Senangin
		Taman Mergong Indah
7	EXIT 25512	Alor Setar Utara Junctions	Northwest Kangar Kuala Perlis Padang Besar Southeast City Centre	Junctions
		Sungai Kedah bridge
12	EXIT 25517	Kuala Kedah Highway	Kuala Kedah Highway West Kuala Kedah Kuala Kedah jetty ( Ferry to Langkawi Island) East City Centre	Junctions
		Desa Seraya
		Wan Mat Saman Aqueduct Bridge
14	EXIT 25519	Alor Setar Selatan Junctions	North Sultan Abdul Halim Highway City Centre South Sungai Petani Gurun Kota Sarang Semut	Junctions
14.6		Tesco Hypermarket Alor Setar
Sultanah Bahiyah Highway JKR border limit
Alor Star Welcome Arch
North-South Expressway Northern Route Start/End of expressway PLUS Expressways border limit
15.3		Alor Star (South) toll plaza	TnG TAG Customer Service Centre
Alor Star (South) toll plaza ASS RM (Cash) RM (Cash) TnG TAG TnG PLUSTransit PLUSTransit Closed toll system Collect PLUSTransit cards and pay a distance toll
15.6		Railway crossing bridge
15.7	EXIT 25521 EXIT 177	Alor Star (South)-NSE Interchange	North-South Expressway Northern Route North Hat Yai (Thailand) Bukit Kayu Hitam Jitra South Kuala Lumpur Penang Pendang	Closed tolled trumpet expressway interchange