Lecture 2: Urban Analysis

urban analysis

the boston architectural college

cd101e / la304new american urbanismlecture 2

urban analysisanalysisurban analysisurban cd101e / la304 - new american urbanism

Regional Analysis


Regional Analysis

This map illustrates the number of dailyvehicle work trips to major employmentcenter in the Bay Area as well as the distance traveled to reach those centers

680

4

80

580

101

37

24

13

77

580

580

680880

280

35

101

101

1

280

82

101

23782

880

680

238

92

80

680

780

4

242

84

880

137

98080

24

260

80

80

238

2-3.2 K peak39-41 K day

4.3-8.1 K peak88-127 K day

9.5 K peak131 K day

230-1.5 K peak230-1.5 K peak230-1.5 K peak230-1.5 K peak12-16 K day

3.5-7 K peak3.5-7 K peak3.5-7 K peak3.5-7 K peak76-85 K day76-85 K day

915-2 K peak915-2 K peak915-2 K peak915-2 K peak24-26 K day24-26 K day24-26 K day24-26 K day24-26 K day

9K peak127 K day127 K day

6 K peak6 K peak93-95 K day93-95 K day

280-905 peak9.7-12 K day

4.8 K peak45 K day

3.3-7.4 K peak85-87 K day

300-1 K pk.5-13 K day

29.-6.3 K peak61-63 K day

1.1-2 K peak22-23 K day

6.7-7.6 K peak75-77 K day

2.6-3.7 K peak44-45 K day

7.3-8.2 K peak86-87 K day

5.8-7 K peak87-89 K day87-89 K day

7.9-10 K peak111-127 K day

3.2-4.3 K peak55-58 K day

4.8 K peak13 K day

3.7-6.1 K peak80-84 K day

1 MILE

M a p Infor m a tion

D r iv i ng D i s ta nc e(m i le s )

L ow

M e di um

Hig h

5 2 0 4 0

Trips

E m p l o y m e n t C e n t e r

OAKLAND

WALNUT CREEK

LAFYETTE

CLAYTON

PLEASANT HILL

PINCOLE

HERCULES PITTSBURG

DANVILLE

SAN RAMON

DUBLIN

PLEASANTON

MILPITAS

AMERICANCANYON

SAN FRANCISCO

SAN JOSE

SAN LEANDRO

PALO ALTO

MORAGA

CASTRO VALLEY

SAN MATEO

TIBURONMILL VALLEY

SOUTH SAN FRANCISCO

HAYWARD

ALBANY

SANTA CLARA

CUPERTINO

SUNNYVALE


Regional Analysis

1926 O’Shaugnessey Bay Crossing /Rapid Transit Plan

1933-36 Bay Bridge Construction / Open to Traffic

1940-46 Parallel Bay Crossing Proposal 1941-47 Southern Crossing Proposal

1941-43 Highway Defense Act 1944 Bay Area Inter-Urban Freeway Plan 1947 Tilton Highway Plan for San Francisco

1951-59 S.F. Freeway Revolt

1956 BART Commision

1950-55 Bayshore 101, Central, Embarcadero Freeway Development

1956 Federal Highway Trustfund EstablishedPanhandle,Western, & Embracadero Ext.Freeway Plans

1967 Peak of California Highway Construction

1970-80 Highway Retrenchment in CA

1985 Vehicular Overload 1986 Parallel Corridor Growth Strategies 1987 Abandonment of Land Banking

1933 SR 17 San Jose-RichmondHighway added to CA HighwaySystem

1947-55 880 Freeway replaces SR 17

1957 Cypress Street Viaduct OpensConnecting 880 with Bay Bridge

1949 East Shore Freeway OpensBetween Oak St. & 23rd Ave

1950 880 Extends to 98th Ave.

1952 880 Extends to Lewelling Blvd. 1953 880 Extends to Jackson Street

1958 I-880 Completed renamed Nimitz Freeway

1989 Cypress Street Viaduct Collapses 1989 Loma-Prieta Earthquake

1997 Cypress Street ViaductRe-routed around West Oakland

1989-91 Embarcadero Freeway Collapsesand is Demolished 1989-Present 880 Improvement Project

Seismic Retrofits

2003-2013 Bay Bridge seismic-retrofitsCapacity is not increased

2010-2017 Trans-Bay Center /High-speed Rail Station

1920

1930

1940

1950

1960

1970

1980

1990

2000

2010

San Francisco Oakland

1976 Rt.226 becomes part of SR 24

1981-85 SR 24 renamed I-980 anda new freeway is built connecting I-580 toI-880 and is Considered for a SouthernBay Crossing Route


Regional Analysis

Historical Morphology



1947 1979 1997





Cultural Geography


Cultural Geography

1,000Feet

Liquor Stores - 18 Conveience + Fast Food - 14 Grocery - 2Liquor Stores - 18 Conveience + Fast Foo


Cultural Geography


Oakland:Race

Cultural Geography


Oakland:Income

Cultural Geography

200

500

1200

1500

1500

15001500

1500

1500

15001500

1500

1000

1000

200

200

200

200

500

Notes: The risk levels are based on the 80th Percentile Breathing Rate. Total Modeled Emissions = 845 T/Y in 2005. Modeling Domain = 10 km x 10 km. Resolution = 250 m x 250 m.

Environmental Factors


150’

18-14ppb

13-11ppb

10-7ppb

6-0ppb

115’

100’

100’

18-14ppb

13-11ppb

10-7ppb

6-0ppb

DEPRESSED

ELEVATED







Opportunities and Constraints






Land Use


Land Use


Land Use


Land Use


Transportation Analysis








Urban Characteristics




WIN

DS

BREE

ZE

+125 F+80 Fo

o

HEAT ISLAND

PARTICULATE MATTER

CO2

SOX

NOX

O3

CH4FREEWAY POLLUTION

ON

OFF

ELEVATED

DEPRESSEDRIGHT OF WAY



San JoseSation

Grid 3

Grid 1

Grid 2

SantaClara

El Camino Real




Lecture 2: Urban Analysis

Documents

freeway plans

freeway revolt

bay bridge construction

parallel bay crossing

renamed nimitz freeway

tilton highway plan

highway retrenchment

cypress street viaductre