Police say a moment of inattention proved disastrous for a family overnight, News Radio 1200 WOAI reports.
The man was driving a car containing a woman and two kids when police say he 'wasn't paying attention' as he entered a construction zone on Loop 410 at Highway 151 on the northwest side.
The man slammed into the back of a construction vehicle, which was on the shoulder with its warning lights flashing.
The four occupants had to be cut out of their mangled car by the 'Jaws of Life.' All four were rushed to the hospital, the man is in critical condition with life threatening injuries, the woman and the two children are listed in serious condition.
Police indicated it was an accident and no criminal charges are expected.