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Pages 56-57

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From page 56...
... 56 C h a p t e r 5 applications The results of this research are applicable to highway designers and traffic engineers who are designing new intersections with uncontrolled approaches or permissive left-turn signal phasing, or who are considering safety countermeasures for demonstrated or anticipated crashes at intersections. The critical gap times found in this research ranged from 4.7 s at intersections with the most positive offset to 7.5 s at intersections with the most negative offset.
From page 57...
... 57 drivers where feasible and practical. When potential sightdistance issues cannot be avoided, designers should consider protected-only left-turn signal phasing to eliminate the need for drivers to judge gaps in opposing traffic.

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