Download - Transportation Networks
Wednesday, November 4, 2009
Welcome to Portland, Oregon-The Most Well Connected City in the United States and the Home of the Ugliest Building in the World*
* I work in this building
Tuesday, November 3, 2009
Tuesday, November 3, 2009
For purposes of discussion we will compare two pairs of neighborhoods using their relative accessibility and connectivity to
illustrate the difficulty of building connected networks in the modern urban setting.
The neighborhoods are: Downtown Gateway
NE 60th Ave LRT station areaNE 148th Ave. LRT station area
Tuesday, November 3, 2009
Tuesday, November 3, 2009
Tuesday, November 3, 2009
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13 14 15 16 17 18 19 20 21 22 23 24
25 26 27 28 29 30 3231 33 34 35 36
37 38 39 40 41 42 43 44 45 46 47 48
Broadway
6th Ave.
5th Ave.
4th Ave.
SW P
ine
St.
SW S
tark
St.
SW W
ash
ingto
n S
t.
SW A
lder
St.
SW M
orri
son S
t.
SW Y
am
hill St
.
SW T
ayl
or S
t.
SW S
alm
on S
t.
SW M
ain
St.
SW M
adis
on S
t.
SW J
effe
rson
St.
SW C
olum
bia
St.
Text
Downtown PortlandEast/West-4th Ave. to Broadway
North/South-SW Pine St. to SW Columbia St.
48-Intersections.08 sq. mile
N
Tuesday, November 3, 2009
Siena, IT-Medieval Connectivity & Intersection Density
Tuesday, November 3, 2009
Tuesday, November 3, 2009
1 2 3 4 45 6 7
8
91011
12 1314 15 16 17 18 19 20 21 22 23 24
25 26
Gateway Regional Center NE Wiedler/Halsey to NE Washington/Stark
NE 99th to NE 102nd N
26 Intersections.29 sq. Miles
Tuesday, November 3, 2009
Gateway Concept Plan by Peter Calthorpe N
Approx. Capital Investment For New Streets and Row-$70 million
Tuesday, November 3, 2009
!!!!
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114TH AVE
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94TH AVE
96TH AVE
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IN S
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106TH AVE
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SH
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112TH AVE
111TH AVE
110TH AVE
117TH AVE
108TH AVE
100TH AVE
AN
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103RD DR
BELL DR
92ND PL
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113TH AVE
93RD AVE
118TH AVE
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107TH PL
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97TH AVE
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101ST AVE
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106TH AVE
AN
KE
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T
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117TH AVE
OA
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ER
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T
108TH AVE
100TH AVE
107TH PL
116TH AVE
104TH AVE
108TH AVE
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LTNO
MA
H S
T
DAV
IS S
T
MILL C
T
118TH AVE
105TH AVE
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T
112TH AVEP
INE
CT
109TH AVE
109TH AVE
THO
MP
SO
N S
T
MA
IN S
T
102ND AVE
92ND AVE
106TH AVE
113TH AVE
93RD AVE
97TH AVE
CLAY ST
THO
MP
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113TH AVE
114TH AVE
MO
RR
ISO
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IN ST
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N R
AFA
EL S
T
MA
DIS
ON
ST
97TH AVE
OA
K S
T114TH PL 113TH AVE
EU
GE
NE
ST
BR
OA
DW
AY
AS
H S
T
STE
PH
EN
S S
T
101ST AVE
107TH AVE
112TH AVE
106TH AVE
SA
LMO
N S
T
ALD
ER
ST
MA
IN S
T
YAM
HILL S
T
AN
KE
NY S
T
105TH AVE
110TH AVE
PAC
IFIC S
T
104TH AVE
114TH PL
119TH AVE
MILL C
T
106TH AVE
PIN
E S
T 118TH AVE
109TH AVE
108TH AVE
100TH AVE
113TH AVE
PAC
IFIC S
T
114TH PL
112TH AVE
$%& 205
$%& 205
$%& 84!0
5001,000
Feet
Existing S
treet
Proposed N
ew S
treet
Pedestrian C
onnection
!!!!
Proposed S
treet VacationC
entral Gatew
ay Am
endment A
reaG
ateway R
egional Center
Proposed A
mendm
ent P
ortland Master Street P
lanM
ap 11.11.3G
ateway D
istrict
Analysis by C
. Hainey; A
nalysis Date: 04-29-09; P
lot Date: 10-14-09; File N
ame: P
ortlandMasterS
treetPlan_G
ateway.m
xd
Public B
ike and Pedestrian A
ccessways w
ill be required on these blocks suchthat spacing of public connections shall be no m
ore than 330 feet where full
street connections are more than 530 feet.
"#U
pdated October 22, 2009
Revised Gateway Street Plan-Adopted by Council Oct. 22, 09 N
Cost Unknown at this timeTuesday, November 3, 2009
Intersection Density ComparisonDowntown vs. Gateway Regional Center
Downtown48 Intersections/.08 sq. miles
600 stations/sq. mileGateway Regional Center
26 intersections/.29 sq. miles90 stations/sq. mile
Tuesday, November 3, 2009
Tuesday, November 3, 2009
60th
Ave
Sta
tion
/Blu
e Li
ne
Inte
rsec
tion
Den
sity
45 I
nte
rsec
tion
.19 s
q. m
iles
1
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7 8 9
10
11
12
13 14 15 16 17 18
19
2021
2223 24
25
26
27 2829
30
31
32
33 34 35 3637
38
39 40 41 42 43 44 45
Tuesday, November 3, 2009
60th Ave. Station/Blue Line
Approx. $7 million in local street improvementsTuesday, November 3, 2009
1 2 3
45
6
7
8
9
10
NE 148th Ave LRT Station Area11 Intersections-.19 sq. miles
11
Tuesday, November 3, 2009
Intersection Density ComparisonNE 60th LRT Station Area vs. NE 148th LRT
Station AreaNE 60th Ave. LRT Station Area45 Intersections/.19 sq. miles
236 stations/sq. mileNE 148th Ave. LRT Sation Area26 intersections/.29 sq. miles
57 stations/sq. mileTuesday, November 3, 2009
Approx. $21.2 million in local street improvements
Tuesday, November 3, 2009
Tuesday, November 3, 2009
#1 Obstacle To Improving Transportation Networks
Sheer Enormity of the ProblemIncrease in Intersection Density of Approximately six fold
Tuesday, November 3, 2009
#2 Obstacle To Improving Transportation Networks
Direct Outgrowth of Obstacle #1Enormous Cost of Creating New Transportation NetworksTo Create or Improve Transportation Networks in Three Areas
1. NE 60th Ave. LRT Station Area: $7 million2. Gateway Regional Center: $70 million3. NE 148th Ave. LRT Station Area: $21.2 million
$98.2 million
Tuesday, November 3, 2009
#3 Obstacle To Improving Transportation Networks
Political and Social realities!!Believe it or Not Large Numbers of People Prefer the Status QuoLegal Barriers Involved in Condemning Private Land for Public Uses
Tuesday, November 3, 2009
Tuesday, November 3, 2009