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Lec 1: Introduction to Traffic Eng. and Its

Scope Business and introduction

Course objectives, outline, assignment, etc.

Required text, optional text, references

Elements of traffic engineering (Ch. 1)

Standard references for the traffic engineer

Basic knowledge about the transportation system Ethical aspects

Responsibility and liability in traffic engineering

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From Business to References

Instructors background

Students introduce themselves.

The web site for CE562 this fall is

WWW.et.byu.edu/~msaito/CE562MS

Transportation Lab. 202 CB. Get the key

code from the dept. secretary.

Rules for computing in 202 CB and printing

http://www.et.byu.edu/~msaito/CE562MShttp://www.et.byu.edu/~msaito/CE562MS

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Transportation Engineering (ITE)

The application of technology and scientific

principles to the planning, functional design,

operation, and management of facilities forany mode of transportation in order to

provide for the safe, rapid, comfortable,

convenient, economical, and

environmentally compatible movement of

people and goods

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Traffic Engineering (ITE)

The phase of transportation engineering that

deals with the planning, geometric design

and traffic operations of roads, streets and

highways, their networks, terminals, abutting

lands, and relationships with other modes of

transportation.

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The Structure of the Textbook

Introduction

Systems

(Ch 20-25)

Traffic Studies

(Ch 4-8)

Introduction

(Ch 1-3)

Uninterrupted

flow facilities

(Ch 9-13)

Intersections

(Ch 14-19)

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Standard References for the

Traffic Engineer

Uniform Vehicle Code (UVC)

Manual of Uniform Traffic Control Devices(MUTCD)

Highway Capacity Manual (HCM)

AASHTOs Green Book Traffic Engineering Handbook

Manual of Traffic Engineering Studies

Trip Generation by ITE

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What mode is most efficient in moving

people?

0 5000 10000 15000 20000 25000 30000 35000 40000

No. of People Moved in One Hour

Auto-Freeway

Auto-Arterial

Bus-Freeway

Bus-Arterial

LRT

HRT

Mode

Freeway/Arterial: One lane, 1.5

person/car

LRT/HRT: One Track

Bus: 50 passengers/bus

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What mode carries most of the goods?

1984

Rail

37.3%

Truck

24.1%

Oil Pipeline

22.6%

Great Lakes &

Rivers

15.9%

1994

Rail

39.0%

Truck

27.8%

Oil Pipeline

18.7%

Great Lakes &

Rivers

14.5%

The deregulation of themajor segments of the

industry took place in

1980.

The most impressive

change is the 63.6%

increase in truck traffic

in ton-miles carried.

Transportation in America 1995

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Key Elements in Addressing the

Transportation System

Mode Choices Travel Demand System of Facilities

Influence the Demand

Manage and Operate the

Transportation System

Measure the

Performance

Figure 1-4, p.7, Mcshane, et al.

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Ethical Aspects

Be honest

Avoid cutting corners

Avoid tailoring the results

to please the client

Avoid manipulating data

Know whats in the

analysis models andsoftware

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Responsibility & Liability

We deal with people

(and goods).

Safety is the utmostimportance in this

profession.

Tort liabilitymay

be sued for negligence

Provide for the public safetythrough positive programs,

good practice, knowledge,

and proper procedure.

Avoid liability

problems