| Country: | MYS |
| Type: | B |
| Route: | 21 |
| Direction A: | Northeast |
| Direction B: | Southwest |
| Terminus A: | Bandar Baru Selayang |
| Destinations: | Rawang |
| Terminus B: | Kepong |
| Junction: | Kuala Lumpur-Rawang Highway Jalan Taman Bidara Kuala Lumpur Middle Ring Road 2 |
Kepong–Selayang Highway (Selangor state route B21) is a major highway in Klang Valley region, Selangor, Malaysia.[1] It is also a shortcut route to Rawang from Kepong and Sungai Buloh.
| km | Exit | Junctions | To | Remarks | |
|---|---|---|---|---|---|
| Kepong Taman Kepong Indah-MRR2 | Kuala Lumpur Middle Ring Road 2 West Kepong Kuala Lumpur Petaling Jaya Sungai Buloh East Batu Caves Gombak Kuantan Genting Highlands Ulu Klang Ampang | Diamond interchange | |||
| Taman Daya | |||||
| Jalan Ehsan Utama-Taman Kepong Indah | West Jalan Ehsan Utama Taman Ehsan Taman FRIM Kepong Forest Research Institute Malaysia (FRIM) East Taman Kepong Indah | Junctions | |||
| Taman Industri Selayang | |||||
| Taman Selayang Utama | |||||
| Jalan Taman Bidara | North Jalan Taman Bidara Taman Bidara Rawang Ipoh | ||||
| Taman Selayang Jaya | |||||
| Selayang Hospital | Selayang Hospital | Half diamond interchange | |||
| Taman Seri Melati | |||||
| Kuala Lumpur-Rawang Highway | Kuala Lumpur-Rawang Highway North Rawang Ipoh South Kuala Lumpur Batu Caves Selayang | Diamond interchange | |||
| Bandar Baru Selayang | North Section—until -- Bandar Baru Selayang Industrial Park Majlis Perbandaran Selayang (MPS) main headquarters MPS Stadium Malaysian Examination Council (MPM) Gombak district and land office East Section -- South Section -- | Roundabout |