urban activity system 1

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CHAPTER - 2 URBAN STRUCTURE 2.1 Urban Activity System Many observers of urban areas have pointed out that bulk of urban activities occurs in ordered hierarchies. Certain activities, such as elementary schools and small neighborhood shopping centers, exist at a scale that serves only local areas. Other type of urban activities exists in large concentrations and may serve an entire urban region. Examples of region wide activities include major cultural facilities, Post secondary education facilities, specialized retail trade outlets, and certain types of personal service.

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8/17/2019 Urban Activity System 1

http://slidepdf.com/reader/full/urban-activity-system-1 1/5

CHAPTER - 2

URBAN STRUCTURE

2.1 Urban Activity System

Many observers of urban areas have pointed out that bulk of urban activities occurs in

ordered hierarchies. Certain activities, such as elementary schools and small neighborhood

shopping centers, exist at a scale that serves only local areas. Other type of urban activities exists

in large concentrations and may serve an entire urban region. Examples of region wide activities

include major cultural facilities, Post secondary education facilities, specialized retail trade

outlets, and certain types of personal service.

8/17/2019 Urban Activity System 1

http://slidepdf.com/reader/full/urban-activity-system-1 2/5

 

Fig

diagram

and the

re 2.1 sho

indicates a

umber of tr 

Figure:

s the wee

 proximatel

 ps made thr 

2.1 Weekly

kly activity

  the length

oughout the

 

household

 pattern fo

and locatio

 week.

activity Pa

  the mem

n of each t

tern

ers of one

ip, the mo

household.

e of travel

o

This

used,

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2.2 Urb

T

land bas

 

Average

Time.

F

average

through

road tra

superior

control o

 

Avg.

Speed 

(mph)

n Moveme

ransport Sy

d activities.

Speed of tr 

igure 2.3 s

 peed of tra

ecreased s

el has been

to travel al

f access.

t Hierarc

stems Provi

 There is a

Fig

vel by mas

ows that th

el on these

ation spaci

illustrated

ong arterial

ies:

e two fund 

onflict bet

re 2.3: Top

s transit vs

e station sp

lines. In oth

g, the effic

hat the effi

and collect

mental fun

een these t

 speed of v

op Vehicle

cing on ra

er words, as

iency of m

iency of tr 

or roads wi

tions and t

o function

hicle (mph

Speed, Stat

id transit l

 access to a

vement de

vel along

thout contr 

ese move

.

)

on Spacing

nes control

rapid transi

reases. A

ontrolled a

l of access

ent and acc

and Station

ing factor i

 line is incr 

imilar effe

cess roads

, or with li

ss to

Stop

n the

eased

t for

is far

ited

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F

classes

igure 2.4 il

ith the foll

  Figure

lustrates on

wing Prope

.4 Hierarc

  hierarchic

ties. 

ical Classi

al Classific

ication of

tion of ro

oad types.

ds which c

 

onsists of four