AUSTIN, Texas — A serious crash shut down the northbound I-35 service road in Southeast Austin on Wednesday morning, injuring three people, including two children in critical condition.

The Austin Police Department reported the collision around 8 a.m.

Three main lanes and both shoulders were affected, TxDOT said. The Austin Police Department reported additional closures, including the intersection at the service road and Ben White Boulevard westbound.

Austin-Travis County EMS said three patients were transported: two pediatric patients in critical condition to Dell Children’s Medical Center and one adult in serious but non-life-threatening condition to South Austin Hospital.

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Police and TxDOT urged drivers to expect significant delays in both directions and to seek alternate routes.

The road reopened just before noon, according to APD.