Benicia-Martinez Bridge

Tolplan is an independent South African company of professional engineers and financial and information technology professionals who offer a variety of specialized toll road management and engineering consulting and information technology services. The full-time core personnel of the company amounts to about 40.

TRB designs and manufactures lightweight composite structures, which include carbon-fibre battery enclosures for the electric vehicle (EV) and hybrid road vehicle markets.

traffic-lines develops road marking removal solutions that are effective without damaging surfaces and can enable instant remarking.