Perform field or laboratory physical tests of highway construction and other materials. Assist with research or investigation work on road or bridge materials or methods of construction. Calculate traverses or earthwork quantities or prepare them for machine processing. Use engineering and computer-oriented processes to compile data for the design, construction, alteration, maintenance and operation of a wide variety of transportation engineering projects. Analyze engineering data.
Field gathers traffic data.
Perform traffic operational activities including surveillance and incident responses. Assist in the preparation of designs, plans, estimates, reports, and specifications for all types of highway and bridge projects. Prepare working plans and detail drawings. Plot boundary lines and calculate land areas. All Caltrans TET's should be able to prepare reports and correspondence, and may have the opportunity to be a lead person in construction, materials testing or in other work.