Define the elements of a Class I and a Class II two-lane highway
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A: Hi there!! since you have asked multiple questions, we will solve the first question for you. If you…
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Q: A 5% upgrade on a six-lane freeway (three lanes in each direction) is 1.25 mi long. On this segment…
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A: As per guidelines we need to answer only first question so please repost rest questions separately.
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Define the elements of a Class I and a Class II two-lane highway.
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- which type of urban road would have free-flow traffic characteristics? 1. Arterial 2. Local 3. Freeway 4. Collector1. Define Highway Engineering?2. What are the basic physical elements of a highway and describe each briefly?3. Discuss the various design factors to be considered for geometric design of highway.A particular roadway segment has a 6000-ft section of 3% upgrade, followed by a 5000-ft section of 5% upgrade. The traffic on the road includes 8% trucks and 4% recreational vehicles. Determine the PCEs.
- A rural collector highway is to be constructed in an area of rolling terrain where the ADT is 950 veh/day. For this situation, determine the following design values: a. Minimum design speed b. Desirable lane width and shoulder width c. Maximum desirable gradePrincipal criteria in designing highway. Explain each criteria.1. An existing urban freeway in rolling terrain is to be analyzed to determine LOS using the following information: Number of lanes in each direction: 3 Peak hour volume: 3500 veh/h (in the peak direction, mainly commuter traffic) 8% trucks 0% recreational vehicles PHF=0.95 Lane width: 11 ft Lateral clearance: 4 ft Average interchange spacing: 1.0 mile Base FFS: 65 mph
- A new basic freeway segment will have 3 lanes in each direction. The left and center lane each has a width of 12 ft while the width of the right lane is 13 ft. The left shoulder is 4 ft while the right shoulder is also 4 ft. There are 2 interchanges within 6 miles (3 miles upstream and 3 miles down stream).The site has level terrain, the design speed is 80 mph the hourly design volume is 5250 veh/h, which includes 9.0% trucks and buses. The peak hour factor is 0.870. Calculate FHV, VP, FFS, LOS Show all workAn existing rural freeway in rolling terrain is to be analyzed to determine LOS using the following information: Number of lanes in each direction: 2 Peak hour volume: 2640 veh/h 18% trucks 2% recreational vehicles PHF _ 0.91 Lane width: 12 ft Lateral clearance: 10 ft Average interchange spacing: 3 miAnswer the following: 1. Identify the design speed, minimum surface, outside shoulder, and paved shoulder slope for the following specification of the road: a. A local road in urban area with 180 ADT b. A collector roadway in rural area, mountainous, and with 580 ADT c. A local road in rural area, rolling terrain and with 420 ADT
- An eight-lane freeway section is designed to have a lane width of 12 ft, right-side shoulder width is 3 ft, and 3 ramps over a 2-mile-long centerline. What is the free-flow speed for this freeway section? a. 75 mph b. 70 mph 65 mph O d. 60 mph C.Enumerate the Advantages and Disadvantages of the FOUR TYPES OF ROADS according to surface course.c) Discuss and plot the difference among urban, rural and hilly cross section of road in detail.