Several parents voiced displeasure at potentially losing bus service in their area at a Crystal Lake Elementary School District 47 Board meeting Tuesday night. Several areas of the city are being put under review by the board to see if continued bus service there is necessary. These walking areas are the crossing over Swanson Road at Alexandra Boulevard for Woods Creek Elementary School, the crossing over Swanson Road at Village Road/Greenfield Lane for Glacier Ridge Elementary, the Wedgewood area and the Barlina and St.