Labor MP Ed Husic has been released from hospital after his car collided with a truck on Sydney's M7 motorway, leaving him with minor fractures, abrasions and a concussion. (The Guardian)

The crash happened around 6.20pm on Tuesday as Husic was driving home from his electorate office, a spokesperson confirmed. Paramedics treated him at the scene before he was taken to Westmead Hospital for assessment and treatment. He was discharged on Wednesday.

Photos of Husic's vehicle showed severe damage to the rear driver's side, with windows and windscreens smashed and airbags deployed. A spokesperson said Husic was extremely grateful to walk away from the accident without more serious injury. On medical advice, he will take a short period of leave from parliamentary duties while he recovers, though he is expected to return soon.

Husic thanked the doctors, nurses and paramedics at Westmead Hospital for what he described as outstanding care. NSW police were contacted about the incident, and a spokesperson said Husic is providing a statement to police.

The timing is less than ideal for the government. Parliament resumes in Canberra on Tuesday after the July winter break, and Husic, the former industry minister, will not be in the chamber for the opening sitting days. His absence, while expected to be brief, removes a senior Labor figure from the House of Reps at a point where every vote on the floor matters and the crossbench holds the balance of power.

Husic's departure from the industry ministry was already a notable reshuffle decision for those who follow the comings and goings of the ministry. His absence now is circumstantial rather than political, but it means one of Labor's more effective parliamentary performers is sidelined at the start of a sitting fortnight when the government will be keen to set its agenda after the winter recess.

The injury worth flagging here is the concussion. Abrasions and minor fractures heal on predictable timelines; concussion does not. The decision to grant Husic medical leave rather than have him front up to Question Time is the right call, and one that reflects a growing, if belated, recognition in parliament that head injuries warrant genuine recovery time rather than the stoic push-through that used to be the default for MPs determined to show they were tough enough for the job.

The police investigation will run its course. Husic is cooperating, and there is nothing in the available facts to suggest anything beyond a serious traffic incident on one of Sydney's busiest motorways. The M7 sees heavy freight traffic, and collisions between passenger vehicles and trucks on that stretch are not uncommon. That context does not excuse or explain this particular crash, but it is the environment in which it happened.

For now, Husic recovers at home. His office is operating. His electorate work continues through staff. And Canberra will get along without him for a few days, as it always does when an MP is unexpectedly benched. The machinery doesn't stop. But the government will be watching his recovery timeline with more than usual interest, because a concussed MP's return date is not something any whip can pencil in with confidence.