The Hong Kong University of Science and Technology
Transportation System Operations
CIVL 4620

Fall 2016
Chapter 4
Intersection Control and Design
Types of Intersections
Intersection: an area where 2 or more highways join or cross
At grade intersection: where all roadways join or cross at the
same level
Grade separated intersection: through traffic lanes
The Hong Kong University of Science and Technology
Transportation System Operations
CIVL 4620

Fall 2016
Chapter 3
Queuing Theory and Traffic Flow Analysis
Probabilistic Models of Traffic Flow
A traffic stream can be described by the basic
relationships between traffic flow Q (veh/h), speed v
(km/h), and density d(veh/km) at a macroscopic level.
A more mic
The Hong Kong University of Science and Technology
Transportation System Operations
CIVL 4620

Fall 2016
Chapter 1
Transportation Economics
1
Definition:
Interaction
Transportation Demand:
ability to pay
Transportation Supply:
availability of modes, lanes,
etc.
2
Economics
Study of how people and society end up choosing,
with or without the use of money, to
The Hong Kong University of Science and Technology
Transportation System Operations
CIVL 4620

Fall 2016
Chapter 2
Land Use / Transportation System
Land use and transport are conceptualized as a
system
Land uses and transport facilities are considered as the
"objects" (components) of the system.
Traffic is the joint consequence of landuse activity levels
The Hong Kong University of Science and Technology
Transportation System Operations
CIVL 4620

Fall 2016
Tutorial Quiz 7
Name:
Student ID:
02 Nov, 2016
Traffic demand is given in the figure. Saturation flow rate is 1800 pcu/h*lane. Design the signal
timing plan for this intersection and draw the actual timing plan. The yellow time is 3 seconds and red
yellow
The Hong Kong University of Science and Technology
Transportation System Operations
CIVL 4620

Fall 2016
CIVL 4620 Intersection Control and Design
Tutorial Quiz 8
Name:
Student ID:
09 Nov 2016
The pretimed signals at four intersections on a oneway street (from A to D) are tabulated as
follows. Given a speed of 30 mi/h (1mi = 5280 ft)
Determine the maximum
The Hong Kong University of Science and Technology
Transportation System Operations
CIVL 4620

Fall 2016
CIVL 4620 Intersection Control and Design
Tutorial Quiz 9
Name:
Student ID:
16 Nov 2016
A vehicle has 30 m2 effective floor area, of which 18 m2 is occupied by 45 seats and
remaining space is used for standing adopting 0.2 m2/standee. A bus company operat
The Hong Kong University of Science and Technology
Transportation System Operations
CIVL 4620

Fall 2016
CIVL 4620 Transportation System Operations
ASSIGNMENT 2 (Suggested solutions)
Land Use/Transportation System
Question 1
A landuse zone consists of 2000 singlefamily homes, 520 apartment units, and
3 hotels with a total of 600 rooms. calculate the daily
The Hong Kong University of Science and Technology
Transportation System Operations
CIVL 4620

Fall 2016
CIVL 4620 Transportation System Operations
ASSIGNMENT 1 (Suggested solutions)
Transportation Economics
Question 1
A 20% increase in automobile costs has been observed to cause a 5% increase in
transit patronage relative to the patronage prior to the incre
The Hong Kong University of Science and Technology
Transportation System Operations
CIVL 4620

Fall 2016
CIVL 4620  ASSIGNMENT 3
Queuing Theory and Traffic Flow Analysis
Solution
Q1.
t 13s; P(h t ) e t 0.6
0.0393(veh / sec)
( t ) n e t
t 30s, n 4 P(n)
0.0248
n!
Q2.
t 29s; P(h t ) e t 18 /120 0.15
0.0654(veh / sec)
( t ) n e t
t 29s, n 3 P(n)
0.1707
n!
The Hong Kong University of Science and Technology
Transportation System Operations
CIVL 4620

Fall 2016
CIVL 4620 Transportation System Operations
Tutorial Quiz 4
Name:
Student ID:
Sep 28, 2016
A threezone city is likely to add 1000 persons to its present population in the next 5 years.
Please use the information listed in the following two tables to solve
The Hong Kong University of Science and Technology
Transportation System Operations
CIVL 4620

Fall 2016
CIVL 4620 Transportation System Operations
Tutorial Quiz 2
Name:
Student ID:
Sept 14, 2016
A roadway has a cost function (total cost or total travel time of all users) T = 5q + 10q2, and
the demand function is given by D = 20  0.2t, where t is the indivi
The Hong Kong University of Science and Technology
Transportation System Operations
CIVL 4620

Fall 2016
CIVL 4620 Transportation System Operations
Tutorial Quiz 3
Name:
Student ID:
Sep 21, 2016
A concentric city with a single market at the center wants to produce three different
commodities, A, B and C. The characteristics of the three commodities are given
The Hong Kong University of Science and Technology
Transportation System Operations
CIVL 4620

Fall 2016
CIVL 4620 Transportation System Operations
Tutorial Quiz 1
Name:
Student ID:
Sept 7, 2016
The ferry service from a city to a recreational island is currently served by regular ferries and
luxury boat. 5000 passengers per day use regular ferries and 7000 u
The Hong Kong University of Science and Technology
Transportation System Operations
CIVL 4620

Fall 2016
CIVL 4620 Transportation System Operations
Tutorial Quiz 5
Name:
Student ID:
05 Oct, 2016
Consider a single entrance to a national park. During the first 20 mins, the arrival rate is
t 6 0.3t , and the maximum departure rate max is 4 veh/min.
1) Draw the
The Hong Kong University of Science and Technology
Transportation System Operations
CIVL 4620

Fall 2016
CIVL 4620 Transportation System Operations
Tutorial Quiz 6
Name:
Student ID:
Consider one approach of an intersection which has a saturation flow of 1000 veh/hr and cars
arrive at the approach at a rate of 500 veh/hr. It is controlled by a signal with a c