Exam #1
Name _KEY_
6-10-2009
TTE 4004
Summer 2009
(Form A)
Multiple-choice Question 1-8:
Circle appropriate answer. There is only one correct answer in each question (5 points
each)
1. Which one is not an uninterrupted flow?
a. freeways
b. urban arterials
Quiz #2
Solution
3:30 PM 5:30PM, 6/24/09
TTE 4004
Summer 2009
1. At a signalized intersection, assume vehicles arrive at a uniform rate of 450 vehicles per hour
and the saturation flow rate (uniform) for the intersection is 1800 vehicles per hour. The
cyc
1. At a signalized intersection, assume vehicles on a single-lane approach arrive at a uniform
rate of 720 vehicles per hour and the saturation flow rate (uniform) for the intersection is
1800 vehicles per hour. The cycle length is 120 sec with 60 sec (t
University of South Florida
Department of Civil and Environmental Engineering
TTE 4004: TRANSPORTATION ENGINEERING I
Summer 20010
INRODUCTOR:
Dr. Pei-Sung Lin, Ph.D., P.E., PTOE, FITE, Program Director
ITS, Traffic Operations and Safety
Center for Urban T
Transportation Engineering I
Alejandro Slaibe
Summer 2010
Combustion vehicles emit gases which pollute the
environment and cause major damages to the
atmosphere.
Transportation plays a very important role in America.
The automobile is the main form of tra
TTE 4004
Summer 2010
Homework #3
1. The stopping sight distance is 730 feet. A horizontal curve on a two lane highway
with D= 8 degree, turns through 90 degree. What is the closest that a sight
obstruction can be to the edge of the travel lane to maintain
TTE 4004
Summer 2010
Homework #9
Solution
1. In one county, a 2-mile roadway segment has total 30 crashes in the past 3 years. The
average ADT volume for the segment at three year time period is 4,000 vehicles per
day. Based on the following formula, what
SolutionofHomework#2
TTE4004,Summer2010
1.
D =5729.6 / R, D = 10 => R = 572.96 ft
L = 100 * /D = 100 * 85 /10 = 850 ft
L = 850 ft
2.
3.
3
(1)
Lt = (enc / ed) * Ls
(2)
Since the slo changes from -3% at normal crow to 6% at f superelav
S
ope
s
t
wn
full
vat
TTE 4004
Summer 2010
Solution of Homework #5
1. If G = 25 sec, l1 (start-up lost time) = 2.5 sec, l2 (clearance lost time) = 1.5 sec, and
Y = 5 sec, what is the value of effective green (g)?
lL = l1 + l2 = 2.5 + 1.5 = 4
gi = Gi + Yi lL =25+5-4=26sec
2. a.
TTE 4004
Summer 2010
Solution of Homework #4
1. Assume the length of a leading vehicle is 20 ft, and its speed is 40 mph. The
following vehicle also travels at 40 mph. The perception-reaction time for the driver
of the following vehicle is 1.0 second. If