Federal Route 254 (formerly Penang state route P12 and Kedah state route K12) is a federal road in Penang and Kedah state, Malaysia.^[1] The Kilometre Zero is at Kulim, Kedah.

At most sections, the Federal Route 254 was built under the JKR R5 road standard, allowing maximum speed limit of up to 90 km/h.

Km	Exit	Junctions	To	Remarks
		Simpang Empat Bukit Tengah	North P7 Jalan Permatang Janggus Permatang Janggus Permatang Pauh FT 1 Butterworth–Juru Highway Northwest FT 1 Butterworth FT 1 Penang South FT 1 Nibong Tebal FT 1 Sungai Bakap	Roundabout interchange
		Bandar Perda
		Sungai Juru Kiri bridge
		Kampung Permatang Rawa
		Sungai Juru Kanan bridge
		Bukit Mertajam
		Bukit Mertajam	Northeast P3 Jalan Arumugam Pilai Penanti Padang Menora Kepala Batas Southwest P18 Jalan Sungai Rambai Sungai Rambai Padang Lalang Juru	T-junctions
		Bukit Mertajam
		Hospital Bukit Mertajam
		Railway crossing bridge
		Bukit Mertajam
		St Anne's Sacred Heart Church
		Ceruk Tok Kun Bawah	North P135 Jalan Ceruk Tok Kun Ceruk Tok Kun Relic Bukit Mertajam Recreational Park South P139 Jalan Rohzan Alma	Junctions
		Ceruk Tok Kun Atas
		Machang Bubok	South P143 Jalan Besar Machang Bubok	T-junctions
		Machang Bubok	South P143 Jalan Gajah Mati Bukit Teh Junjong	T-junctions
		Jalan Sungai Lembu	North P129 Jalan Sungai Lembu Sungai Lembu Mengkuang Ulu Tasik Mengkuang	T-junctions
Penang Seberang Perai Tengah district border
Penang–Kedah border
Kedah Darul Aman Kulim district border
		Jalan Perdagangan	North K812 Jalan Perdagangan Padang Serai Sungai Petani Butterworth–Kulim Expressway FT 4 AH140 Butterworth–Kulim Expressway Butterworth Penang Baling	T-junctions
		Jalan Junjong	South K145 Jalan Junjong Junjong Lima Kongsi Sungai Bakap	T-junctions
		Kulim
FT 254 0		Kulim Kelang Lama	North FT 136 Lunas FT 136 Padang Serai FT 136 Kuala Ketil Butterworth–Kulim Expressway FT 4 AH140 Butterworth–Kulim Expressway Butterworth Penang Baling East FT 169 Jalan Kulim–Mahang Kelang Baharu Mahang South FT 136 Serdang FT 136 Bandar Baharu FT 136 Parit Buntar	T-junctions