Traffic stops made late Friday and early Saturday by Great Bend police officers led at least four arrests.At 11:29 p.m. Friday in the 1400 block of Eighth St., Alejo Dominguez-Campos was arrested for driving under the influence (DUI), illegal transportation of an open container, obstruction, speeding and driving with a suspended license. He was booked into the Barton County Jail in lieu of $1,000 bond. He also had an outstanding warrant for failure to appear.At 11:50 p.m., Gustavo Varado-Franco was stopped on Ninth St. and found with suspected cocaine.