It was a long time in the plans, but the new state-of-the-art sales offices for USA Motors is finally open. Gone is the 500-square-foot portable unit at the Lathrop dealership located at 16201 Harlan Road. “For six or seven years, it was very tight fit in there with office and sales staff until we opened our service center (at 1683 E. Louise Ave.) two years ago,” said owner and operator Steve Ramsey.