| Country: | MYS |
| Jalan Sultan Yahya Petra (Jalan Semarak) | |
| Length Km: | 3.50 |
| Direction A: | Southwest |
| Terminus A: | Jalan Tun Razak |
| Junction: | Kuala Lumpur Middle Ring Road 1 Jalan Raja Muda Abdul Aziz Jalan Padang Tembak Duta–Ulu Klang Expressway |
| Direction B: | Northeast |
| Terminus B: | Kampung Semarak |
| Destinations: | PULAPOL Kampung Datuk Keramat |
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–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 | |||||