Which statement best describes the use of DHV in planning?

Which statement best describes the use of DHV in planning?

• A. To estimate demand and growth
• B. To calibrate models for LOS and capacity
• C. To measure pavement wear
• D. To evaluate signage efficiency

Answer: (B)

Design Hour Volume (DHV) is the traffic volume used to represent the peak conditions for capacity analysis. In planning, DHV anchors models so their outputs—like speeds, delays, and overall level of service—match what occurs during the design hour. This calibration ensures the facility’s performance is assessed under realistic, busiest conditions, making LOS and capacity evaluations meaningful for design decisions. Other ideas don’t fit because they involve forecasting overall demand or growth, or address unrelated issues like pavement wear or signage effectiveness. DHV isn’t about predicting long-term demand or measuring wear; it’s about tuning models to reflect typical peak-hour performance.

Design Hour Volume (DHV) is the traffic volume used to represent the peak conditions for capacity analysis. In planning, DHV anchors models so their outputs—like speeds, delays, and overall level of service—match what occurs during the design hour. This calibration ensures the facility’s performance is assessed under realistic, busiest conditions, making LOS and capacity evaluations meaningful for design decisions.

Other ideas don’t fit because they involve forecasting overall demand or growth, or address unrelated issues like pavement wear or signage effectiveness. DHV isn’t about predicting long-term demand or measuring wear; it’s about tuning models to reflect typical peak-hour performance.