| Country: | MYS |
| Type: | Federal |
| Route: | 3 |
| Alternate Name: | Kota Tinggi Bypass |
| Direction A: | North |
| Terminus A: | Kota Tinggi North |
| Junction: | Federal Route 3 Pengerang Highway Johor Bahru-Kota Tinggi Highway |
| Direction B: | South |
| Terminus B: | Kota Tinggi South |
| Destinations: | Mersing Pengerang Desaru Tanjung Pengelih Ulu Tiram Johor Bahru |
| Established: | 1997 |
| History: | Completed in 1999 |
Kota Tinggi Bypass, Federal Route 3, AH18, is a major highway bypass in Kota Tinggi District, Johor, Malaysia. It incorporates the second bridge of Kota Tinggi which crosses the Sungai Johor. The main purpose of the construction of this bypass is to reduce traffic congestion at the main bridge of Kota Tinggi town centre.
| Km | Exit | Interchange | To | Remarks | |
|---|---|---|---|---|---|
| North Kuantan Mersing Jemaluang | Continued to original route | ||||
| Jalan Jemaluang | |||||
| Jalan Kota Tinggi Lama | Kota Tinggi Town Centre | From north only | |||
| Kota Tinggi Bypass | |||||
| Kota Tinggi North Junctions | Pengerang Highway Northwest Kota Tinggi Town Centre Bandar Tenggara Kluang Kota Tinggi Waterfall Muzium Kota Tinggi Kampung Makam (Makam Sultan Mahmud Mangkat Dijulang) Southeast Pengerang Tanjung Pengelih Desaru Royal Malaysian Naval Academy (PULAREK) | Junctions | |||
| Petronas Layby | |||||
| Taman Indah, Kampung Makam | West Jalan Indah Taman Indah, Kampung Makam Kampung Makam (Makam Sultan Mahmud Mangkat Dijulang) | T-junctions | |||
| Kota Tinggi Second Bridge Johor River | Start/End of bridge | ||||
| Kota Tinggi Second Bridge Johor River | |||||
| Kota Tinggi Second Bridge Johor River | Start/End of bridge | ||||
| Sungai Johor Estate | |||||
| Kota Tinggi Rifle Range | |||||
| Start/End of dual carriageway | |||||
| Kota Tinggi Bypass | |||||
| Kota Tinggi South Junctions | West Johor Bahru-Kota Tinggi Highway Kota Tinggi Town Centre Bandar Tenggara Kluang Kota Tinggi Waterfall | T-junctions | |||
| Johor Bahru-Kota Tinggi Highway Jalan Kota Tinggi | |||||
| South Johor Bahru-Kota Tinggi Highway Kulai Ulu Tiram Pasir Gudang Johor Bahru Woodlands (Singapore) | Continued to original route | ||||