A traffic-alleviating project in one of Cemex USA's key markets has required mixer truck drivers to execute inordinate back-up distances to unload mixes. The project to which the company is supplying 65,000 yd. of specialty ready mixed concrete is the fourth bore of the Caldecott Tunnel, connecting Oakland to Orinda, Calif. However, in order to transport the material inside the tunnel, mixer trucks had to be driven 3,000 ft. in reverse on a narrow one-lane road.
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