| Country: | MYS |
| Type: | Federal |
| Route: | 399 |
| Alternate Name: | Kulai-NSE Highway (Jalan Alor Bukit) |
| Length Km: | 5 |
| Direction A: | Northwest |
| Terminus A: | Kulai Interchange North–South Expressway Southern Route |
| Junction: | Federal Route 1 North–South Expressway Southern Route |
| Direction B: | Southeast |
| Terminus B: | Kulai |
| Destinations: | Taman Puteri Kulai Gunung Pulai Kuala Lumpur Johor Bahru |
| Established: | 1991 |
| History: | Completed in 1994 |
Kulai-NSE Highway or Jalan Alor Bukit, Federal Route 399 is a major highway in Johor state, Malaysia. It is the only federal road in Malaysia constructed as a 2-lane freeway by an expressway concessionaire company (PLUS Expressway Berhad) as a part of the North–South Expressway project. It is also a main route to North–South Expressway Southern Route via Kulai Interchange.
| Km | Exit | Interchange | To | Remarks | |
|---|---|---|---|---|---|
| Kulai-NSE Interchange | North–South Expressway Southern Route North Kuala Lumpur Melaka Sedenak Kulaijaya layby South Johor Bahru Skudai Tuas (Singapore) | Closed tolled expressway trumpet interchange | |||
| Kulai toll plaza KLI PLUSTransit]] MyRFID RM (Cash) Closed toll systems Collect PLUSTransit cards and pay a distance toll | |||||
| Kulai toll plaza | |||||
| North–South Expressway Southern Route Start/End of expressway PLUS Expressway border limit | |||||
| Kulai-NSE Highway (Jalan Alor Bukit) JKR border limit | |||||
| 4 | Jalan Sawah Junctions | Southwest Jalan Sawah Pontian Pekan Nanas Gunung Pulai | T-junctions | ||
| 3 | Puteri Kulai–Lagenda Junctions | Northwest Jalan Lagenda Taman Lagenda Southeast Persiaran Sri Puteri Utama Taman Puteri Kulai | T-junctions | ||
| 2 | Taman Puteri Kulai Junctions | Southeast Persiaran Sri Puteri Utama Taman Puteri Kulai | T-junctions | ||
| Kulai-NSE Highway (Jalan Alor Bukit) Start/End of highway | |||||
0 | 1 | Kulai Jalan Kulai Junctions | North Sedenak Simpang Renggam Ayer Hitam Yong Peng Batu Pahat South Kulai town centre Kota Tinggi Senai International Airport Senai Skudai Johor Bahru | T-junctions | |