The missing 21-year-old University of Rhode Island student traveling to his home in Montgomery County was last seen in surveillance video May 17 at a gas station at I-78 and Route 100, Breinigsville.

According to State Police Troop K Skippack, Matthew R. Royer, who left his school apartment at the University of Rhode Island around 6:30 p.m. May 16, failed to arrive at his Skippack Township home.

Royer is 6 feet 1 inch tall. He has brown hair, blue eyes and weighs 160 pounds.

His 2008 silver Chevrolet Cobalt, with Pennsylvania plate GZR9059, was spotted 1 p.m. May 17 at Routes 501 and 422, Lebanon County.

Pa. State Police and Narragansett Police Department, Rhode Island are attempting to locate Royer.

Anyone with information on his whereabouts is asked to contact State Police Troop K Skippack at 610-584-1250 and reference K03-1918501.