Legislature | Oregon Legislative Assembly Structure: Bicameral, partisan Chambers: Senate (30 members) House (60 members) Session: Ballot Measure 71 (2010) changed from biennial (odd years only) to annual (shorter session in even years)* Estimated no. of bills in 2011: 2,800 *This change may affect the descriptions below. | Department of Transportation | Oregon Department of Transportation () FTE: 4,538 (4,635 total positions) Leadership: Commission; Director Organizational structure: Mainly by transportation mode |