State Highway One was briefly closed near Kaiapoi on Saturday afternoon because of a single-vehicle crash.
A police spokesperson said police were alerted to the crash at 5.25pm.
Minor injuries were reported and traffic management is in place while the scene is cleared, they said.
A Fire and Emergency New Zealand shift manager said two crews from Kaiapoi assisted police and ambulance on the scene and left the patients in the care of paramedics.
SH1 KAIAPOI, CANTERBURY - CRASH - 5:40PM
ā NZ Transport Agency - Canterbury & West Coast (@nztacwc) January 25, 2025
Due to a crash, SOUTHBOUND is now BLOCKED prior to Smith St on-ramp. Follow the directions by emergency services on-site and expect DELAYS. ^SG pic.twitter.com/m6s0BqeFs9
He said the road was blocked but has now been cleared, though there are still some delays on the motorway.
A Hato Hone St John spokesperson said two patients were being treated at the scene and described their injuries as moderate.
An operations manager, a rapid response unit, and one ambulance responded to the scene.
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