Three-phase cycle with leading left turn and no overlap is as follows:
Flowratiosandcriticallanegroupsforthreephasedesign
volume
260
250
flowratio
0.1444444
0.1388889
phase1
EBL
WBL
EBL
WBL
Saturation
1800
1800
criticallanegroup
X
phase2
EBT
WBT
EBT
WBT
S
Solutions for Recitation #5: Traffic Assignment
a.)
Determine the user-optimized assignment of trips to these routes and resulting total travel time.
Make the Highway Route 1 and the Railroad Route 2, for notation reference. Travel time is
constant on the
University of Minnesota
CE 3201 Introduction to Transportation Engineering
Name
Spring 2011
Dr. Henry Liu
March 2, 2011
Midterm #1
I. Multiple Choices (4 points for each, total 40 points).
Instructions: Circle one letter in each question for your answer.
CE 3201
Transportation Engineering
Laboratory 3
ADAM and elasticity in travel demand
Network design and evaluation
Date: Oct 10, 2013
1. Introduction:
2. Hypothesis: What do you think will be the outcome of the analysis and why?
3.
Data: Describe the data
CE 3201
Transportation Engineering
Laboratory 9
Traffic control game and Traffic signal actuation
Date: Nov 27, 2013
1. Introduction:
In this assignment, student will experience with a traffic signal operation network
program with different scenarios. Som
CE 3201
Transportation Engineering
Laboratory 9
Traffic control game and Traffic signal actuation
Date: Nov 27, 2013
Trang Tran
1. Introduction:
2. Hypothesis:
3. Data: Describe the data, how it was collected (or provide references), what it
includes, bri
CE 3201
Transportation Engineering
Laboratory 8
Analysis of Traffic Flow data
Date: Nov 21, 2013
1. Introduction:
In this lab, we are going to analyze the traffic flow data, which is achieved from a
loop detector on a given location through MnDOT site. Fr
CE 3201
Transportation Engineering
Laboratory 6
Queueing spreadsheet analysis
Date: Oct 31, 2013
1. Introduction:
In this lab, experiments with two different queueing models M/D/1 and M/M/1 are
performed. Preformatted spreadsheets to simulate the two queu
CE 3201
Transportation Engineering
Group Project:
Intersection Optimization
December 9, 2013
1. Introduction
The main aim of the group project is to design an Intersection Control for Beacon Street
southeast/southeast Harvard Street, on university of Minn
CE 3201
Transportation Engineering
Laboratory 8
Analysis of Traffic Flow data
Date: Nov 21, 2013
1. Introduction:
In this lab, we are going to analyze the traffic flow data, which is achieved from
a loop detector on a given location through MnDOT site. Fr
CE 3201
Transportation Engineering
Laboratory 1
Metropolitan Travel Survey Archive
Date: Sept 19, 2013
1. Introduction:
In this lab activity, we will study the travel survey of Minneapolis and St Paul
from the site surveyarchive.org. The data and the hist
CEGE 3201
Fall 2016
Study Guide #6
Solutions
1. Problem 8.5, p. 326, MW
Let T denote the number of trips made by the household
E[T] = = exp(-.75 + (.025)(5) + (.008)(100) + (.1)(2) = 1.45
P[T 0]
e ( ) 0
e 1.45 0.234
0!
2. Problem 8.8, p. 326, MW
Let V =
Names:
1._solution_ 2._
3._
4._
CEGE 3201
Fall, 2016
Recitation Lab #6
Average Delay at a Signalized Intersection Approach
Objective: Compare average delay as predicted by the D/D/1 (fluid) model with average delay
measured in the field
In a few minutes w
A. Explain how traffic shockwaves work. Use graphs and illustrations.
Shockwave is a type of traffic jam. Shockwaves are caused by a change in capacity. Due to
change in capacity, cars would pass through the bottleneck; hence cars would need to lower thei
HW 9: Intersection Analysis and Traffic
Signals
An NB approach at a pre timed signalized intersection where two one-way roads has a saturation
w of 1800 veh/h and is allocated 18 seconds of effective green in a 60-second signal cycle. If the
o
w at the
CEGE 3201
Fall 2016
Study Guide #2
solutions
1. Problem 3.34, p. 94, MW
Distance from vehicle path at center of inside line to obstruction
Ms = 34 -12/2 = 28 feet
Initial guess: Design speed = 50 mph (73.5 ft/sec)
Required sight distance at V=50 mph
SSD =
CEGE 3201
Fall, 2016
Homework #1
Vehicle Performance/Human Factors
Solutions
1. One design vehicle which a new freeway must accommodate is an AASHTO type WB-50 (a
tractor-semitrailer with a 50 foot wheelbase). Estimate the maximum grade this vehicle can
a
Name_solutions_
Name _
Name_
Name _
CEGE 3201
Fall 2016
Recitation #7
1. Data obtained from aerial photography showed 6 vehicles on a 600-foot long section of a
single lane of a road. Traffic data collected at the same time indicated, for that lane, an av
CEGE 3201
Fall 2016
Homework #4
solutions
1. The attached Input Worksheet presents turning movement, channelization, and phasing
information for an intersection. The intersections signal is to have a two-phase timing
plan but the timing parameters have no
Name_Example_
CEGE 3201
Exam #1
Resources permitted: calculator, 1 8.5" x 11" formula sheet, textbook
1. Briefly define: (2 points each)
central angle: In a horizontal curve, the angle subtending the arc connecting the PC to the PT
AASHTO: American Associ
Name_solution_
Name_
Name_
Name_
CEGE 3201
Fall 2016
Recitation #8
Highway Capacity Manual Analyses for Multilane and Two-Lane Highways
1. A multilane highway (2 lanes in each direction) is on level terrain. The free-flow
speed has been measured at 45 mph
CE 3201
Transportation Engineering
Laboratory 2
Route
Date: Sept 26, 2013
1. Introduction:
In this lab, we will use the Route optimization game to design a road with given
origin and destination such that the required cost for each of the scenario is meet
CE 3201
Homework 7
1. For the M/D/2 queuing model,
A. What is the arrival distribution?
The arrivals are determined by Poisson distribution.
B. What is the departure distribution?
The departure distribution is uniform.
C. How many servers are there?
There
CE 3201
Homework 10
1. Under what conditions are ramp meters beneficial, detrimental?
Benefits of ramp meters are: it improves safety when merging of vehicle by
breaking the platoon entering the freeway; by spreading out the queues over time, it
helps red
University of Minnesota
CE 3201 Introduction to Transportation Engineering
Name
ID
Spring 2011
Dr. Henry Liu
March 2, 2011
Midterm #1
I. Multiple Choices (4 points for each, total 40 points).
Instructions: Circle one letter in each question for your answe
Department of Civil Engineering
CE 3201 Introduction to Transportation Engineering
Spring 2011
Dr. Henry Liu
Homework #7: Vehicle-Actuated Signal Control
Due: March 28, 2012
Due: April 6, 2011
Problem Statement
Shown below in Figure 1 is a particular four