State Highway 57 (New Zealand)

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State Highway 57
Route information
Maintained by NZ Transport Agency
Length	65 km (40 mi)
Major junctions
Southwest end	SH 1 near Levin
Major intersections	SH 56 (Opiki Road) at Makerua
Northeast end	SH 3 (Napier Road/Manawatū Gorge Road) near Ashhurst
Location
Country	New Zealand
Towns	Levin, Shannon, Palmerston North
Highway system
New Zealand state highways Motorways and expressways List
← SH 56 → SH 58

State Highway 57 (SH 57) is a New Zealand state highway, linking State Highway 1 north of Ohau to State Highway 3 east of Ashhurst, via Levin, Shannon, Massey University and the southern suburbs of Palmerston North. The highway connects State Highway 1 traffic coming north from Wellington to the city of Palmerston North, and further to the Manawatū Gorge, allowing passage to the eastern side of the North Island and to the twin cities of Napier and Hastings. The highway is classified by the NZTA as a national strategic road.^[1]

State Highway 57 broadly follows the route of the North Island Main Trunk railway line to Linton, then follows the route of the Manawatu River for the remainder of its length. For its entire length, the highway is single carriageway with occasional passing lanes and at-grade intersections.