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| Tsing Long Highway | |
|---|---|
| Part of Route 3 | |
 Map of Tsing Long Highway | |
| Route information | |
| Length | 12.5 km (7.8 mi) |
| Existed | 1998–present |
| Major junctions | |
| South end | Tsing Yi North |
Four; Route 8 at Tsing Yi Route 9 at Au Tau and Ting Kau | |
| North end | Kam Tin (near Au Tau) |
| Location | |
| Areas / neighbourhoods | Tsing Yi, Pat Heung, Kam Tin and Au Tau |
| Districts | Kwai Tsing, Tsuen Wan and Yuen Long |
| Subdivision | New Territories |
| Country | Hong Kong (special administrative region) |
| Sovereign state | People's Republic of China |
Tsing Long Highway (Chinese: 青朗公路; Cantonese Yale: Tsīng Lóhng Gūnglouh; Jyutping: cing1 long5 gung1 lou6; pinyin: Qīng Lǎng Gōnglù) is a motorway of Route 3 from North West Tsing Yi Interchange on Tsing Yi Island to Yuen Long, in Hong Kong. Ting Kau Bridge and Tai Lam Tunnel are part of the motorway. It connects with Cheung Tsing Highway and Lantau Link at its southern end, and San Tin Highway and Yuen Long Highway at its northern end. Its speed limit at parts south of Tai Lam Tunnel and Tai Lam Tunnel is 80 km/h (50 mph) and parts north of Tai Lam Tunnel is 100 km/h (62 mph).
There are no intermediate exits on the southbound carriageway of Tsing Long Highway on the north of Tai Lam Tunnel, so this entire section is a toll road. Likewise there are no entrances on the northbound carriageway on this section.
The motorway is designated an expressway except for the Tai Lam Tunnel stretch.[1]