| Country: | HKG |
| Type: | route |
| Route: | 2 |
| Map Notes: | Route 2 highlighted in red |
| Map Custom: | yes |
| Length Km: | 18.8 |
| Length Notes: | southbound |
| Length Round: | 1 |
| Established: | 1989 (Eastern Harbour Crossing/Route 6); 1991 (Tate's Cairn Tunnel) |
| Direction A: | South |
| Terminus A: | in Quarry Bay |
| Junction: |
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| Direction B: | North |
| Terminus B: | in Ma Liu Shui |
| Districts: | Eastern, Kwun Tong, Wong Tai Sin, Sha Tin |
| Previous Type: | route |
| Previous Route: | 1 |
| Next Type: | route |
| Next Route: | 3 |
Route 2 (Chinese: 二號幹綫) of Hong Kong is a series of expressways that runs from Quarry Bay of Hong Kong Island to Ma Liu Shui of the New Territories East, formerly known as route 6, and renamed as route 2 in 2004 under the route numbering scheme proposed in the same year.Route 2 consists of 4 parts, from South to North:
Like Route 3, Route 8, Route 9 and Route 10, most of the route consists of expressways.
| Eastern | Quarry Bay | Eastern Harbour Crossing | 0.0 | 0.0 | 1A | Island Eastern Corridor (eastbound) – Tai Koo, Sai Wan Ho, Shau Kei Wan, Shek O, Stanley, Chai Wan and Siu Sai Wan | Joins |
| 1B | Island Eastern Corridor (westbound) – Quarry Bay, North Point, Causeway Bay, Happy Valley and Aberdeen | ||||||
| Victoria Harbour | 0.3 - 2.6 | 0.2 - 1.6 | Eastern Harbour Tunnel (tolled) | ||||
| Kwun Tong | Lam Tin | 2.7 | 1.7 | 1C | (Lam Tin Interchange) – Tseung Kwan O via Tseung Kwan O-Lam Tin Tunnel | ||
| 3.0 | 1.9 | 2 | Lei Yue Mun Road – Lam Tin, Yau Tong and Lei Yue Mun | ||||
| 3.6 | 2.2 | 2A | Tseung Kwan O Road/Kwun Tong Road – Kwun Tong Business Area, Tseung Kwan O, Sai Kung and Clear Water Bay | Northbound exit and southbound entrance only | |||
| Kwun Tong | 4.3 | 2.7 | 2B | Tseung Kwan O Road – Tseung Kwan O, Sai Kung and Clear Water Bay | Southbound exit and northbound entrance only | ||
| 5.1 | 3.2 | 2C | Wai Yip Street – Kwun Tong Business Area and Cha Kwo Ling | Northbound entrance only, southbound exit and entrance | |||
| Kowloon Bay | 6.6 | 4.1 | 2D | Kai Fuk Road and Wang Chiu Road – Kowloon Bay, Cruise Terminal, To Kwa Wan and Hung Hom | Northbound exit and southbound entrance only | ||
| Choi Hung | 8.8 | 5.5 | 3 | Prince Edward Road East (westbound) – Kowloon City, Mong Kok and To Kwa Wan | |||
| Wong Tai Sin | 9.3 | 5.8 | 3A | Kwun Tong Road (eastbound) – Kowloon Bay, Cruise Terminal and Kwun Tong | Southbound exit and northbound entrance only | ||
| Diamond Hill | 9.8 | 6.1 | 3B | Lung Cheung Road (eastbound) – Tsz Wan Shan, Diamond Hill, Ngau Chi Wan, Pik Uk and Sai Kung | |||
| Kowloon Hills | 10.0 - 13.9 | 6.2 - 8.6 | Tate's Cairn Tunnel (tolled) | ||||
| Sha Tin | Siu Lek Yuen | 14.8 | 9.2 | 4 | Sha Tin Wai Road/Siu Lek Yuen Road – Siu Lek Yuen | ||
| 14.9 | 9.3 | 5 | Sha Lek Highway towards Sha Tin Road (southbound) – Sha Tin Central, Kowloon Central and Tsuen Wan | ||||
| Shek Mun | 16.6 | 10.3 | 6 | Tai Chung Kiu Road – Shek Mun, Tai Shui Hang and Sha Tin Central | |||
| A Kung Kok | 17.5 | 10.9 | 7 | Ma On Shan Road – Ma On Shan and Sai Kung | |||
| Ma Liu Shui | 18.5 | 11.5 | 7A | Chak Cheung Street – Ma Liu Shui, Pak Shek Kok, Race Course, Science Park and University | |||
| 18.8 | 11.7 | – Tai Po and Fanling | Joins Tolo Highway (anticlockwise only) | ||||