Jalan Sultan Yahya Petra (Jalan Semarak)
Route information
Length	3.50 km (2.17 mi)
Major junctions
Southwest end	Jalan Tun Razak
Major intersections	Kuala Lumpur Middle Ring Road 1 Jalan Raja Muda Abdul Aziz Jalan Padang Tembak Duta–Ulu Klang ExpresswayDuta–Ulu Klang Expressway
Northeast end	Kampung Semarak
Location
Country	Malaysia
Primary destinations	PULAPOL Kampung Datuk Keramat
Highway system
Highways in Malaysia Expressways Federal State

Jalan Sultan Yahya Petra (formerly Jalan Semarak/Jalan Henry Gurney) is a major road in Kuala Lumpur, Malaysia. It was named after the sixth Yang di-Pertuan Agong, Sultan Yahya Petra of Kelantan) (1975–1979)

On 26 November 2014, the Kuala Lumpur City Hall (DBKL) changed the name of Jalan Semarak to Jalan Sultan Yahya Petra.

km	Exit	Junctions	To	Remarks
		Jalan Tun Razak	Kuala Lumpur Middle Ring Road 1 Northwest Sentul Setapak Ipoh Kuantan Southeast Jalan Ampang Kuala Lumpur City Centre Sungai Besi Cheras Seremban Petaling Jaya	T-junctions below flyover
Jalan Sultan Yahya Petra (Jalan Semarak)
		Jalan Gurney	Southeast Jalan Gurney Kampung Datuk Keramat	T-junctions
		Jalan Raja Muda Abdul Aziz (Princes Road)	West Jalan Raja Muda Abdul Aziz (Princes Road) Kampung Baru Jalan Tuanku Abdul Rahman (Batu Road)	T-junctions
		Jalan Perumahan Gurney	Southeast Jalan Perumahan Gurney FELDA headquarters Dewan Perdana FELDA	Junctions
		Wisma Tanah
		Jalan Maktab	Southeast Jalan Maktab	T-junctions
		International Business School
		Universiti Teknologi Malaysia (UTM) Branch Campus
		PULAPOL	Northwest Royal Malaysian Police Training Centre (PULAPOL) Southeast Jalan Padang Tembak Malaysian Ministry of Defence (MINDEF) headquarters Kampung Datuk Keramat	Junctions
		Semarak-DUKE	Duta–Ulu Klang Expressway Duta–Ulu Klang Expressway Duta–Sentul Pasar–Ulu Klang Link (Main Link) West Seremban KLCC City Centre Bulatan Pahang Sentul Gombak Batu Caves Kuantan Kepong Jalan Duta Ipoh Klang	Half diamond interchange
Jalan Sultan Yahya Petra (Jalan Semarak)
		Kampung Semarak