CE 361
In-Class Design Problem #2:
Geometric Design (1)
For this exercise, you are to use the vehicle you designed in the first in-class design
problem to undertake the following:
1. Compute K-values for 50 mi/h on crest and sag curves assuming your car i
Chapter 2 Example Test Problem
A car is traveling up a 2% grade at 70 mi/h on good, wet
pavement. The driver tries to brake to avoid a hitting stopped
traffic in all lanes that is 250 ft ahead. The drivers reaction
time is 0.5 s. At first, when the driver
CE 361
In-Class Design Problem #4:
Pavement Design
For this exercise, you are to design a roadway that is to carry 100,000 people a day
(excluding truck occupants) 50,000 in design direction. The vehicles that carry these
people include; (1) personal vehi
Chapter 1
Introduction to Highway Engineering and Traffic Analysis
Highways:
Influence is economic, social and political
Have been studied as a cultural, political and economic phenomenon.
Highway trends:
Emphasis shifting from the construction of the mid
Chapter 3 Geometric Design of Highways Objective to design highways that are safe for: Wide variety of vehicle performance Wide Variety of Human Performance SAFTEY: Define stopping sight distance (SSD) as the addition of reaction time distance (2.5s) and
Chapter 5 Fundamentals of Traffic Flow and Queuing Theory 5.1 INTRODUCTION Highways seek high mobility (speed) while considering safety. Understanding traffic flow and queuing is the key to evaluating highway performance (mobility provided) 5.2 TRAFFIC ST
In-Class Design Problem # 3 :
Geometric Design ( 2)
For this exercise, you are to design a single-lane interchange ramp (so R = R ) to connect
v
two highways that intersect at a right angle as shown below, The north-south highway is
the existing highway a
CE 361
In-Class Design Problem:
Vehicle Design
For this exercise, you are to design a vehicle by selecting dimensions, engine size, etc.
You will need to make a number of assumptions, and typical road tests are provided to
help you in this regard. Based o
Chapter 7 Traffic Control and Analysis at Signalized Intersections 7.1 INTRODUCTION Conflicting traffic movements, make roadway intersections are a source of great concern to traffic engineers. Intersections are a major source of crashes and vehicle delay
1 Chapter 6 Highway Capacity and Level of Service Analysis Seek to measure Highway Performance (Congestion). Needed for: Highway construction Congestion relief Problems: Wide variation of highway conditions: Different roadway types (Freeway, multilane, et
Chapter 4 Pavement Design 1.1 INTRODUCTION Over 3 million miles (4.8 million kilometers) of highways in US (55% are paved). Several states (Pennsylvania, Texas, Illinois, and California) have pavement construction and rehabilitation budgets that exceed a
CE 361
Purdue University
School of Civil Engineering
Design Papers
1. Any transportation-related design problem is acceptable. Examples of topics include;
Alternative fuels
Study of West Lafayette dilemma zones
Proposal for the improvement of Indiana-4
CE 361
Mid-Term Exam Review
(Open Book)
Problem 2.9 from text
1. A 2150-lb car is traveling at sea level at a constant speed. Its engine is running at 4500
rev/min and is producing 150 ft-lb of torque. It has a drivetrain efficiency of 90%, a drive
axle s
Purdue University
School of Civil Engineering
CE 361 TRANSPORTATION ENGINEERING
Assignment 5
Problem
Answer
5.2
51.58mi/h, 60mi/h
(hint: use dq/du=0 to get second equation to solve for two unknowns, a and b)
5.13
52.5min
3037.5veh-min
Maximum queue = 90
F
Purdue University
School of Civil Engineering
CE 361 TRANSPORTATION ENGINEERING
Assignment 4
4.14 (Answer: 56.5%)
4.27 (Answer: 10.18 in.)
4.35. (Answer: 4.31)
4.X1. A flexible pavement is designed to last 10 years to withstand truck traffic that
consists
Purdue University
School of Civil Engineering
CE 361 TRANSPORTATION ENGINEERING
Assignment 3
Problem
Answer
3.24
138+11.72 (roundoff may affect exact answer)
3.26
0.264ft/ft
3.32
50mi/h (by trial and error)
Check for Ms and minimum R (Table 3.5)
3.35
75 m