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DUAL CARRIAGEWAY ROADS
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Condition 1 +2
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Condition 2 + 1
Figure 6.2 Schematic of tidal flow layout for full contra-flow on two-lane carriageways
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- Existing stud insert housings may be used for the cylinders. The rows of saturn yellow studs either side of the
cylinders should be positioned to maintain a 0.9m minimum width of buffer zone (Detail K). Dimensions for the cylinder buffer zone width are to the outside edge of the studs.
Figure 6.3 Cross section of tidal flow layout for full contra-flow on two-lane carriageways
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