GTS maintains an extensive quality program as required by AASHTO R18.
We track over 1,000 pieces of equipment for calibration and maintenance.
We also offer calibration services to our clients for their field equipment.
AASHTO / AMRL accreditation since 12/02/2002
R18, D3740, R58, T88, T89, T90, T99, T100, T134, T146, T180, T193, T208, T216, T224, T236, T265, T288, T289, T296, T297, D421, D422, D558, D698, D854, D1140, D1557, D1883, D2166, D2216, D2435, D2487, D2850, D3080, D4318, D4718, D4767, D5084, D6913, D7012