見習技術主任(交通工程)須接受三年訓練，及主要調派從事以下工作：
(a) 進行交通與運輸調查及隨後的資料分析工作；
(b) 參與運輸策劃研究及其他例行交通與運輸研究報告；
(c) 協助設計及操作區域交通控制系統及道路照明計劃；
(d) 操作交通管制及監察系統；及
(e) 就道路與交界處的擬議計劃及交通管理方案協助擬定交通工程設計。
[註：可能被借調往其他政府部門及可能需戶外工作、不定時工作及24小時輪班工作。]

A Technical Officer Trainee (Traffic) is required to undergo training for three years and is mainly deployed on the following types of work–
(a) undertaking traffic and transport surveys and subsequent analysis of data;
(b) participating in transport planning studies and other routine traffic and transport studies;
(c) assisting in the design and operation of the area traffic control systems and road lighting schemes;
(d) operating traffic control and surveillance system; and
(e) assisting in the preparation of traffic engineering layouts for road and junction proposals and for traffic management schemes.
[Note: May be seconded to other government departments and may be required to work outdoor, irregular hours and 24-hour shifts.]