| Country: | NZL |
| Type: | SH |
| Route: | 27 |
| Map Custom: | yes |
| Length Km: | 92.4 |
| Direction A: | North |
| Terminus A: | at Mangatarata |
| Junction: | |
| Direction B: | South |
| Terminus B: | at Tīrau |
| Towns: | Waharoa, Matamata |
| Previous Type: | SH |
| Previous Route: | 26 |
| Next Type: | SH |
| Next Route: | 28 |
State Highway 27 (SH 27) is a state highway in the Waikato region of the North Island of New Zealand. It is an important north–south link along the Waihou/Piako valley and forms an important transport route across the mostly dairy farming Matamata-Piako District. SH 27, in conjunction with, is often used as an alternative route to between Auckland and Tauranga, Rotorua and Taupō.
For its entire length, SH 27 is a single carriageway road with one lane in each direction and at-grade intersections and property access. The New Zealand Transport Agency classifies the highway as an arterial route.[1]
Traffic at Kaihere increased by 31%, from an average of 3,965 vehicles a day in 2008, to 5,182 in 2017 and 5,467 in 2019.[2] In 2017 982 (19%) of those were heavy vehicles, mainly trucks.[3]
The road was gravelled[4] [5] and classified as No.19 Main Highway in 1926.[6]