Scottish Omnibuses Ltd. (SOL) was a company set up by the British Transport Commission on 4 April 1949 to take over the bus and coach operations of Scottish Motor Traction (SMT) and its subsidiaries under the nationalisation provisions of the Transport Act 1947. SMT itself remained in private hands, continuing its motor sales, service and insurance businesses. SOL took over the holding of SMT's former subsidiary companies, while those buses and coaches it operated directly continued to use the SMT brand until the early 1960s, when, after a brief flirtation with "Scottish", the fleet name "Eastern Scottish" was adopted.