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Copyright 1998-2007, Dr. Jean-Paul Rodrigue, Dept. of Economics & Geography, Hofstra University. For personal or classroom use ONLY. This material (including graphics) is not public domain and cannot be published, in whole or in part,

in ANY form (printed or electronic) and on any media without consent. This includes conference presentations. Permission MUST be requested prior to use.

TRANSPORTATION

MODES AND

SYSTEMS

Transportation Modes

METHODS

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TRANSPORTATION

MODES AND

SYSTEMS

Method 1

Technical Performance Indicators

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Copyright 1998-2007, Dr. Jean-Paul Rodrigue, Dept. of Economics & Geography, Hofstra University. For personal or classroom use ONLY. This material (including graphics) is not public domain and cannot be published, in whole or in part,

in ANY form (printed or electronic) and on any media without consent. This includes conference presentations. Permission MUST be requested prior to use.

Evolution of Overall Freight Density for Indian Rail, Road and

Water Transport, 1949-1981

0.01

0.1

1

10

100

1949 1952 1957 1962 1965 1970 1975 1979 1980 1981

Freightdens

ity(millionmetricton-km

/km)

Rail

Road

Water

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TRANSPORTATION

MODES AND

SYSTEMS

Method 2

Traffic Performance

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Copyright 1998-2007, Dr. Jean-Paul Rodrigue, Dept. of Economics & Geography, Hofstra University. For personal or classroom use ONLY. This material (including graphics) is not public domain and cannot be published, in whole or in part,

in ANY form (printed or electronic) and on any media without consent. This includes conference presentations. Permission MUST be requested prior to use.

Continuous and Discontinuous Traffic

Cont

inuous

Discontinuous

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Copyright 1998-2007, Dr. Jean-Paul Rodrigue, Dept. of Economics & Geography, Hofstra University. For personal or classroom use ONLY. This material (including graphics) is not public domain and cannot be published, in whole or in part,

in ANY form (printed or electronic) and on any media without consent. This includes conference presentations. Permission MUST be requested prior to use.

A B C D E F

Speed

Levels of Service for Road Transportation (Vehicle per Lane per

Hour)

600

960

1440

1824

2200

Level of Service

b

cvasfS /1/

8/3/2019 Concepts Part II

7/8Copyright 1998-2007, Dr. Jean-Paul Rodrigue, Dept. of Economics & Geography, Hofstra University. For personal or classroom use ONLY. This material (including graphics) is not public domain and cannot be published, in whole or in part,

in ANY form (printed or electronic) and on any media without consent. This includes conference presentations. Permission MUST be requested prior to use.

Capacity

Criticaldensity

Critic

alspeed

Volume

SpeedDensity

Critical Density and Critical Speed

8/3/2019 Concepts Part II

8/8Copyright 1998-2007, Dr. Jean-Paul Rodrigue, Dept. of Economics & Geography, Hofstra University. For personal or classroom use ONLY. This material (including graphics) is not public domain and cannot be published, in whole or in part,

in ANY form (printed or electronic) and on any media without consent This includes conference presentations Permission MUST be requested prior to use

Road Transportation Bottlenecks

Traffic interruption Lane reduction

Merging Distraction