TXDOT is working on the design of l-69 north of Victoria. They project a demand volume of 52,000 vehicles per day with a K factor of 0.12 and a directional distribution of 56/44 in level terrain with a target LOS of B and 17% trucks and buses. They plan to have roughly one diamond interchange every 2 miles. What number of lanes is required to achieve these design requirements? What LOS would occur for a typical 4-lane rural interstate design?

Structural Analysis
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Chapter2: Loads On Structures
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4. TXDOT is working on the design of I-69 north of Victoria. They project a demand volume of
52,000 vehicles per day with a K factor of 0.12 and a directional distribution of 56/44 in level
terrain with a target LOS of B and 17% trucks and buses. They plan to have roughly one
diamond interchange every 2 miles. What number of lanes is required to achieve these design
requirements? What LOS would occur for a typical 4-lane rural interstate design?
DHV = AADT * K * D
DHV – design hourly volume
AADT - average annual daily traffic
K- peak hour adjustment factor
D- directional distribution (make design conservative)
Transcribed Image Text:4. TXDOT is working on the design of I-69 north of Victoria. They project a demand volume of 52,000 vehicles per day with a K factor of 0.12 and a directional distribution of 56/44 in level terrain with a target LOS of B and 17% trucks and buses. They plan to have roughly one diamond interchange every 2 miles. What number of lanes is required to achieve these design requirements? What LOS would occur for a typical 4-lane rural interstate design? DHV = AADT * K * D DHV – design hourly volume AADT - average annual daily traffic K- peak hour adjustment factor D- directional distribution (make design conservative)
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