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Q2. Determine the LOS on a regular weekday on a 0.65-km section of a six-lane freeway...
1) Find the LOS for a 6-lane Freeway with the following data: a. 6-lanes (3 lanes in each direction) b. Lane widths...
1) Find the LOS for a 6-lane Freeway with the following data: a. 6-lanes (3 lanes in each direction) b. Lane widths 10 ft c. Right-side lateral clearance 4 ft d. Commuter traffic e. Peak hour, peak-directional demand volume 6500 veh/hr f. PHF 0.95 g. Traffic composition: 10% trucks, 3% RV's h. Ramp density of 2 ramps/mile i. Rolling terrain
1) Find the LOS for a 6-lane Freeway with the following data: a. 6-lanes (3 lanes in each direction) b....
Q3. A Class I two-lane highway has a base free-flow speed of 110 km/h. Lane width...
Q3. A Class I two-lane highway has a base free-flow speed of 110 km/h. Lane width is 3.35 m and shoulder width is 0.6 m. There are 5 access points per km. The roadway is located in rolling terrain with 40% no-passing zones. The two-way traffic volume is 600 veh/hr with PHF = 0.86. The directional split is 60/40. Traffic includes 8% trucks and 2% recreational vehicles. Determine the level of service (LOS).
5. There is a freeway segment and its characteristics are given as below: •A six-lane urban...
5. There is a freeway segment and its characteristics are given as below: •A six-lane urban freeway (3 lanes each direction) •11-ft lanes •3-ft right-shoulder lateral clearance •3% grade •1.2 mile in length •8% of trucks and buses •4% recreational vehicles •Driver population factor (fp): 0.95 •Peak-hour volume in peak direction: 2,500 vehicles •PHF: 0.925 •Interchange density: 1.5 per mile Evaluate the freeway segment by Level-of-Service (LOS) according to the Highway Capacity Manual (Referring to Tables 6-3 ~ 6-10 in...
Problem #2 A section of a six-lane highway (3 in each direction) with a two-way-left-turn lane...
Problem #2 A section of a six-lane highway (3 in each direction) with a two-way-left-turn lane (TWLTL) is being designed. Determine the level of service if the following data are applicable to this section. Traffic Data: • • • Directional design hour volume = 3600 veh/h (all are passenger cars) Peak-Hour-Factor (PHF) = 0.94 Base Free-Flow-Speed (FFS) = 55 mi/h Geometric data: • • • • • Urban setting Rolling terrain Lane width = 11 ft Shoulder width = 4...
The following applies to a four-lane freeway. Determine LOS. - Volume is 2,400 vph (one direction)...
The following applies to a four-lane freeway. Determine LOS. - Volume is 2,400 vph (one direction) - Peak Hour Factor: 0.9 - BFFS = 60 mph - 5% truck traffic - 12-ft lanes - 10-ft outside shoulders - One interchange every 2 miles - Level Terrain - No recreational vehicles - Commuter traffic
CEN 334-Traffic Engineering Spring 2019 Beaudry Due HCM Chapter 12: Two-Lane Highways A 3-mile segment of...
CEN 334-Traffic Engineering Spring 2019 Beaudry Due HCM Chapter 12: Two-Lane Highways A 3-mile segment of Class I two-lane highway has the following conditions: 1. 1700 veh/hr (two-way volume) .10 access points per mile 6% trucks, 4% RVs . 30% no-passing zones BFFS- 50 mph 70/30 directional split Rolling terrain - Typical weekday commuters · PHF 0.90 11 ft lane widths 4-ft right shoulder lateral clearance . a. Using the HCM procedures for two-lane highways and SHOWING ALL WORK, calculate...
Problem 3. (25 points) A 9 mile segmetn of a six lane freeway has a set of chracteristics shown in table 1. Table 1. Freeway charactreristis Width Right Direction tants on) shoulder %trucks %RVs Onap...
Problem 3. (25 points) A 9 mile segmetn of a six lane freeway has a set of chracteristics shown in table 1. Table 1. Freeway charactreristis Width Right Direction tants on) shoulder %trucks %RVs Onaps ornmps Treme Rolling 5Rolling 3 126 12 EB WB a. If f-1.5 and fic-2.5 what is the free-flow speed? b. What is the maximum flow that the segment can accomodate for each LOS (A through c. What F) if the PHF is 0.9 t is...
A six-lane divided highway (three lane in each direction) is on rolling terrain with two access...
A six-lane divided highway (three lane in each direction) is on rolling terrain with two access points per mile and has 10-ft. lanes, with a 5-ft. shoulder on the right side and a 3-ft. shoulder on the left side. The peak-hour factor is 0.80, and the directional peak-hour volume is 3000 vehicles per hour. There are 6% large trucks, 2% buses, and 2% recreational vehicles. A significant percentage of nonfamiliar roadway users are in the traffic stream (the driver population...
A six-lane freeway (three lanes in each direction) in rolling terrain has 10-ft lanes and obstructions...
A six-lane freeway (three lanes in each direction) in rolling terrain has 10-ft lanes and obstructions 4 ft from the right edge of the pavement. There are 4 ramps within 6 miles. A directional peak-hour volume of 4500 veh/h is observed, with 1250 vehicles arriving in the highest 15-min flow rate period. The traffic stream contains 15% heavy vehicles. What is the density and the corresponding level of service (LOS) of the traffic stream? Do not use on the chart...
1) Find the LOS for a 6-lane Freeway with the following data: a. 6-lanes (3 lanes in each direction) b. Lane widths 10 ft c. Right-side lateral clearance 4 ft d. Commuter traffic e. Peak hour, peak-directional demand volume 6500 veh/hr f. PHF 0.95 g. Traffic composition: 10% trucks, 3% RV's h. Ramp density of 2 ramps/mile i. Rolling terrain
1) Find the LOS for a 6-lane Freeway with the following data: a. 6-lanes (3 lanes in each direction) b....
Q3. A Class I two-lane highway has a base free-flow speed of 110 km/h. Lane width is 3.35 m and shoulder width is 0.6 m. There are 5 access points per km. The roadway is located in rolling terrain with 40% no-passing zones. The two-way traffic volume is 600 veh/hr with PHF = 0.86. The directional split is 60/40. Traffic includes 8% trucks and 2% recreational vehicles. Determine the level of service (LOS).
Problem #2 A section of a six-lane highway (3 in each direction) with a two-way-left-turn lane (TWLTL) is being designed. Determine the level of service if the following data are applicable to this section. Traffic Data: • • • Directional design hour volume = 3600 veh/h (all are passenger cars) Peak-Hour-Factor (PHF) = 0.94 Base Free-Flow-Speed (FFS) = 55 mi/h Geometric data: • • • • • Urban setting Rolling terrain Lane width = 11 ft Shoulder width = 4...
CEN 334-Traffic Engineering Spring 2019 Beaudry Due HCM Chapter 12: Two-Lane Highways A 3-mile segment of Class I two-lane highway has the following conditions: 1. 1700 veh/hr (two-way volume) .10 access points per mile 6% trucks, 4% RVs . 30% no-passing zones BFFS- 50 mph 70/30 directional split Rolling terrain - Typical weekday commuters · PHF 0.90 11 ft lane widths 4-ft right shoulder lateral clearance . a. Using the HCM procedures for two-lane highways and SHOWING ALL WORK, calculate...
Problem 3. (25 points) A 9 mile segmetn of a six lane freeway has a set of chracteristics shown in table 1. Table 1. Freeway charactreristis Width Right Direction tants on) shoulder %trucks %RVs Onaps ornmps Treme Rolling 5Rolling 3 126 12 EB WB a. If f-1.5 and fic-2.5 what is the free-flow speed? b. What is the maximum flow that the segment can accomodate for each LOS (A through c. What F) if the PHF is 0.9 t is...
A six-lane freeway (three lanes in each direction) in rolling terrain has 10-ft lanes and obstructions 4 ft from the right edge of the pavement. There are 4 ramps within 6 miles. A directional peak-hour volume of 4500 veh/h is observed, with 1250 vehicles arriving in the highest 15-min flow rate period. The traffic stream contains 15% heavy vehicles. What is the density and the corresponding level of service (LOS) of the traffic stream? Do not use on the chart...
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