trans_sys_chap09

trans_sys_chap09 - Introduction to Transportation Systems 1...

Info iconThis preview shows pages 1–13. Sign up to view the full content.

View Full Document Right Arrow Icon
Introduction to Transportation Systems 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
PART I: CONTEXT, CONCEPTS AND CHARACTERIZATION 2
Background image of page 2
Chapter 9: Transportation Systems: Key Points 25-30 3
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
A New Concept: Network Behavior C A D B E Redundancy in Routes -- to go from A to C, we can travel A-B-C A-B-E-C A-B-E-D-C A-E-B-C A-E-C A-E-D-C 4
Background image of page 4
Congestion ± Congestion at a “choke-point” can propagate throughout the network ± Highway Examples in your city? ± Air Transportation Examples in your country? 5
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Key Point 25: Network Behavior and Capacity Network behavior and network capacity, derived from link and node capacities and readjustment of flows on redundant paths, are important elements in transportation systems analysis. 6
Background image of page 6
Stochasticity ± The concept of stochasticity in transportation system performance. Here we refer to random effects in the way transportation systems operate and respond to external stimuli. Examples: Weather People’s Behavior CLASS DISCUSSION Recurring vs. Non-Recurring Congestion 7
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Key Point 26: Stochasticity Stochasticity -- in supply and demand -- is characteristic of transportation systems. 8
Background image of page 8
Stochasticity Stochasticity in traffic volume is different than peaking. VOLUME S TOCHASTIC V ARIATION IN P EAK 3,000 A VERAGE AM P EAK TIME Figure 9.1 9
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Key Point 27: Transportation, Economic Development and Land Use The relationship among transportation, economic development, and location of activities -- the transportation/ land-use connection -- is fundamental. 10
Background image of page 10
Two Cities and Their Economies TRANSPORTATION CITY LINK CITY A B ECONOMIC ECONOMIC ADVANTAGE ADVANTAGE IN IN MANUFACTURING AGRICULTURE Figure 9.2 11
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Related to Transportation ± The importance of transportation investment and the shift of activities to areas of “cheap” transportation. Certainly, transportation investment, if intelligently made, is something that can have a positive impact on economic activity and on quality of life. But,
Background image of page 12
Image of page 13
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/06/2011 for the course ESD 1.221j taught by Professor Josephsussman during the Fall '04 term at MIT.

Page1 / 26

trans_sys_chap09 - Introduction to Transportation Systems 1...

This preview shows document pages 1 - 13. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online