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Top Terms > Transportation operations > Traffic > Traffic characteristics > Sight distance > Passing sight distance

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Passing sight distance (Bthtp)

Definition
The visibility distance required for drivers to execute safe passing maneuvers in the opposing traffic lane of two-way two-lane highways. (Source: AASHTO Glossary)
Broader Term
Sight distance (Btht)
Related Terms (Hierarchical)
Stopping sight distance (Bthts)