Question

An existing undivided 2-lane road with a total traveled way of 22 ft with no shoulders has a capacity of 1100 vph/lane. If the traveled way is increased to 24 ft and a 4 ft shoulder is added on each side of the road, what will be the new lane capacity?

Answer #1

A two-way 2 lane rural road (1 lane in each direction) has an
estimated 1st year of design AADT of 15,000 vehicles. Given the
following data, what is the design traffic loading in terms of ESA?
Design period = 30 years; Annual growth rate = 3%; %HV = 15% NHAVG
= 2.8 HVAG/HV; Average ESA/HVAG = 0.95

Question 4 4.1 A 2-lane road has a circular curve with a radius
of 210 m, curve length of 300 m. The lane width and shoulder width
are 3.6 and 1.8 m, respectively. The design speed on the road
section is 80 km/h and minimum required SSD is 115 m. Determine the
minimum acceptable distance of a building structure from the edge
of the road. (4)
4.2 An 80 km/h rural road section has a three-leg intersection.
Assume a WB50...

An eight-lane freeway (four lanes in each direction) is on
rolling terrain and has 11-ft lanes with a 4-ft right-side
shoulder. The total ramp density is 1.5 ramps per mile. The
directional peak-hour traffic volume is 5400 vehicles with 11%
heavy vehicles. The peak-hour factor is 0.95. It has been decided
that heavy vehicles will be banned from the freeway during the peak
hour. What will the freeway’s density and level of service ben
before and after the ban? (Assume...

A westbound section of freeway currently has three 12-ft wide
lanes, a 6-ft right shoulder, and no ramps within 3 miles upstream
and downstream of the segment midpoint. It is on rolling terrain
with 10% heavy vehicles and is operating at capacity with a
peak-hour factor of 0.900. If the road is expanded to four 11-ft
lanes with a 2-ft right shoulder, and traffic after the expansion
is projected to increase by 10% with the same heavy vehicle
percentage and...

A segment of four-lane freeway (two lanes in each direction) has
a 3% upgrade that is 1500 ft long followed by a 1000-ft 4% upgrade.
It has 12-ft lanes and 3-ft shoulders. The directional hourly
traffic flow is 2000 vehicles with 3% SUTs and 3% TTs. The total
ramp density for this freeway segment is 2.33 ramps per mile. if
the peak-hour factor is 0.90, what is the level of service of this
compound-grade freeway segment?

A segment of four-lane freeway (two lanes in each direction) has
a 3% upgrade that is 1500 ft long followed by a 1000-ft 4% upgrade.
It has 12-ft lanes and 3-ft shoulders. The directional hourly
traffic flow is 2000 vehicles with 3% SUTs and 3% TTs. The total
ramp density for this freeway segment is 2.33 ramps per mile. if
the peak-hour factor is 0.90, what is the level of service of this
compound-grade freeway segment?

1) Your apartment has a square footage of 900 ft^2. If the cost
of the carpet your landlord picks is $ 85 per square meter, what is
the material cost of the carpet. (Let's ignore the labor cost.)
2)Let us add the following horizontal and vertical vectors. What
is the angle from the horizontal of the resulting vector. Vectors 1
and 2 are horizontal with magnitudes 5 and 9 (they both point
right). Vectors 3 and 4 are vertical. Vector...

A small factory is considering replacing an existing machine
with a newer, more efficient one. Research and development costs
associated with the replacement decision were $40,000 last year
(2015). The existing machine was purchased three years ago at a
cost of $230,000, and it is being fully depreciated according to a
5-year MACRs depreciation schedule. The current book value reflects
that the firm has taken three years of depreciation. Because the
company actively maintains its machinery and equipment, the CFO...

Perfectly competitive markets
# of Contraptions
Total Cost
0 500
1 580
2 640
3 690
4 730
5 760
6 800
7 850
8 950
9 1200
10 2000
e) Firms now exit the contraption market, and contraption price
goes up to $250. Graph this result, showing market and firm graph
side by side. How many units will a firm with the above cost
function produce? What will profit be? (It might be helpful to show
a new Table...

Perfectly competitive markets
# of Contraptions
Total Cost
0 500
1 580
2 640
3 690
4 730
5 760
6 800
7 850
8 950
9 1200
10 2000
e) Firms now exit the contraption market, and contraption price
goes up to $250. Graph this result, showing market and firm graph
side by side. How many units will a firm with the above cost
function produce? What will profit be? (It might be helpful to show
a new Table...

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