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Freeway Management and Operations Handbook |
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Description of Figure 8-14: Moveable Barrier TechnologyThis drawing shows a highway with two lanes in each direction and cars in each lane. A barrier is shown between the oncoming lanes, with the caption "T-shaped concrete barriers are connected by specially designed hinges and heavy steel pins to form a continuous moveable barrier". A bus-like transfer machine is shown with an opening that rides over the barrier. The caption for the transfer machine states "The machine is guided automatically by a computerized guidance system that reads a signal form a cable buried in the roadway". |
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