CARLSBAD–A pedestrian is in serious condition after he was struck by a vehicle Tuesday morning on a Carlsbad road, traffic investigators said today, however, the length of personal injury cases may be different depending on the investigations.

Carlsbad police department says the traffic collision occurred just before 10:30 a.m.,  in the 6500 block of southbound Carlsbad Boulevard south of Solamar Drive.

Arriving officers found that a 24-year-old male from Carlsbad was driving a 2002 Ford Mustang Convertible southbound on Carlsbad Boulevard when he struck a pedestrian. Investigators are working to determine where the pedestrian was walking at the time of the collision.

Paramedics transported the 51-year-old female pedestrian from New York to Scripps Medical Center in La Jolla with life-threatening injuries.

Southbound Carlsbad Boulevard at Palomar Airport Road was closed for a little over two hours while officers conducted an investigation.

The investigation into the cause of the collision is underway.