LIVERMORE, Calif.–(BUSINESS WIRE)– #Topcon–Topcon Positioning Group announces system solutions designed to support curb and gutter paving professionals by maintaining productivity and accuracy, even when facing difficult GPS coverage issues. Using either the GT-1200 series robotic total station or the LN-150 robotic layout navigator, customers can augment their existing Millimeter GPS concrete paving solution and remedy issues such as foliage canopies, large buildings, tunnels, overpasses, and more. “