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| Guideline | Delineation Guideline 1 |
| Title | Plaza Delineation |
| Text | Flexible delineators for lane separation should not be installed within a conventional plaza unless a quantitative and qualitative benefit-cost analysis supports the use of these devices. |
| Commentary | High maintenance cost and a lack of true physical separation are expected to eventually lead to more durable and reliable alternatives for separating vehicles. For reversible lanes, the expected high maintenance costs of pop-up delineators may be less than the equipment, labor and materials costs and the possible delay cost imposed when relocating the barrier that are associated with moveable barrier, the primary physical separation alternative. |
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