regional arterial operation traffic responsive control in bellevue washington state intelligent...
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Regional Arterial Operation
Traffic Responsive Controlin Bellevue
Washington State Intelligent Transportation Society
2008 ITS WA Annual MeetingSession 1
November 12, 2008
Presented by Fred LiangCity of Bellevue
Bellevue Major Arterial
Signal Pattern Implementation
Time of day Scheduling
Respond to demand fluctuation
Signal Pattern Implementation
Time of day Scheduling
Adaptive Control
Respond to demand fluctuation
US Adaptive Systems
Signal Pattern Implementation
Time of day Scheduling
Adaptive Control
Traffic Responsive Control (TRSP)
Respond to demand fluctuation
TRSP Control Guiding Principles
TRSP Control Guiding Principles
• If TOD plans don’t work, TRSP won’t work
TRSP Control Guiding Principles
• If TOD plans don’t work, TRSP won’t work
• If a section is “too responsive”, something could be wronged
TRSP Control Guiding Principles
• If TOD plans don’t work, TRSP won’t work
• If a section is “too responsive”, something could be wronged
• Keep it simple and manageable with defined limits
Selecting Detector(s)
• 250’- 300’ upstream
• Critical Approach – Queues Buildup
• Volume + K *Occupancy (V+KO)
• Use One or two detector locations
• Can switch location by different periods
• Select a different set of timing patterns for each period
148th NE Southbound
0
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1600
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2000
15:00 15:30 16:00 16:30 17:00 17:30 18:00 18:30 19:00 19:30 20:00 20:30 21:00 21:30 22:00 22:30
V+
KO
148th Ave NE Northbound
0
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2000
7:15 7:30 7:45 8:00 8:15 8:30 8:45 9:00 9:15 9:30 9:45 10:00 10:15 10:30 10:45 11:00 11:15
V+
KO
Collecting and Plotting Data
*V+KO data is smoothed between signal cycles and gathered every minute
AM Noon
PM
148th Ave NE Southbound
0
500
1000
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11:15 11:30 11:45 12:00 12:15 12:30 12:45 13:00 13:15 13:30 13:45 14:00 14:15 14:30 14:45 15:00
V+K
O
Determining Threshold using Historical V+KO Data
15:00 789 11 1050 140 53 1000 1000 1 2 3 Lockout 9 minutes15:01 789 11 1050 140 53 1000 1000 vol 650 863 1084 K 2015:02 826 11 1000 140 53 1000 1000 occ 5 10 20 Favor % 2515:03 826 11 1000 140 53 1000 1000 v+ko 750 1063 1484 Smooth V 3 750 1100 1400 No15:04 825 11 1000 140 53 1000 1000 750 1200 1600 three peaks15:05 825 11 1100 140 53 1000 1000 Threshold 1 2 3 750 1200 1700 two peaks15:06 825 11 1100 140 53 1000 1000 Link 501 V+KO 750 1000 1400 750 1000 1700 one small peak15:07 893 12 1133 140 53 1000 1000 From/To 1 2 3 750 1000 1400 One large peak15:08 893 12 1133 140 53 1000 1000 1 NA 1000 1338 Cycle 120 140 150 500 1000 1400 stay online longer15:09 955 12 1195 140 53 1000 1000 2 813 NA 140015:10 955 12 1195 140 53 1000 1000 3 897 1147 NA15:11 920 13 1180 140 53 1000 100015:12 920 13 1180 140 53 1000 100015:13 920 13 1180 140 53 1000 100015:14 854 12 1094 140 53 1000 100015:15 854 12 1094 140 53 1000 100015:16 844 12 1084 140 53 1000 100015:17 844 12 1084 140 53 1000 100015:18 905 12 1145 140 53 1000 100015:19 905 12 1145 140 53 1000 100015:20 905 12 1145 140 53 1000 100015:21 929 13 1189 140 53 1000 100015:22 929 13 1189 140 53 1000 100015:23 920 13 1180 140 53 1000 100015:24 920 13 1180 140 53 1000 100015:25 922 13 1182 140 53 1000 100015:26 922 13 1182 140 53 1000 100015:27 922 13 1182 140 53 1000 100015:28 907 13 1167 140 53 1000 100015:29 907 13 1167 140 53 1000 100015:30 913 13 1173 140 53 1000 100015:31 913 13 1173 140 53 1000 100015:32 977 13 1237 140 53 1000 100015:33 977 13 1237 140 53 1000 100015:34 977 13 1237 140 53 1000 100015:35 969 13 1229 140 53 1000 100015:36 969 13 1229 140 53 1000 100015:37 912 12 1152 140 53 1000 100015:38 912 12 1152 140 53 1000 100015:39 934 12 1174 140 53 1000 100015:40 934 12 1174 140 53 1000 100015:41 934 12 1174 140 53 1000 100015:42 974 12 1214 140 53 1000 100015:43 974 12 1214 140 53 1000 100015:44 1009 13 1269 140 53 1000 100015:45 1009 13 1269 140 53 1000 100015:46 999 13 1259 140 53 1000 100015:47 999 13 1259 140 53 1000 100015:48 999 13 1259 140 53 1000 100015:49 984 13 1244 140 53 1000 100015:50 984 13 1244 140 53 1000 100015:51 922 13 1182 140 53 1000 100015:52 922 13 1182 140 53 1000 100015:53 932 15 1232 140 53 1000 100015:54 932 15 1232 140 53 1000 100015:55 932 15 1232 140 53 1000 100015:56 955 15 1255 140 53 1000 100015:57 955 15 1255 140 53 1000 100015:58 996 15 1296 140 53 1000 100015:59 996 15 1296 140 53 1000 100016:00 913 13 1173 140 53 1000 100016:01 913 13 1173 140 53 1000 100016:02 913 13 1173 140 53 1000 100016:03 934 14 1214 140 53 1000 100016:04 934 14 1214 140 53 1000 100016:05 923 14 1203 140 53 1000 100016:06 923 14 1203 140 53 1000 100016:07 975 14 1255 140 53 1000 100016:08 975 14 1255 140 53 1000 100016:09 975 14 1255 140 53 1000 100016:10 976 14 1256 140 53 1000 100016:11 976 14 1256 140 53 1000 100016:12 960 14 1240 140 53 1000 1000
148th NE Southbound
0
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15:00
15:30
16:00
16:30
17:00
17:30
18:00
18:30
19:00
19:30
20:00
20:30
21:00
21:30
22:00
22:30
V+
KO
Determining Threshold using Historical V+KO Data
148th NE Southbound
0
200
400
600
800
1000
1200
1400
1600
1800
2000
15:0
015
:30
16:0
016
:30
17:0
017
:30
18:0
018
:30
19:0
019
:30
20:0
020
:30
21:0
021
:30
22:0
022
:30
V+
KO
148th NE Southbound
0
200
400
600
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1000
1200
1400
1600
1800
2000
15:0
015
:30
16:0
016
:30
17:0
017
:30
18:0
018
:30
19:0
019
:30
20:0
020
:30
21:0
021
:30
22:0
022
:30
V+
KO
148th NE Southbound
0
200
400
600
800
1000
1200
1400
1600
1800
2000
15:0
015
:30
16:0
016
:30
17:0
017
:30
18:0
018
:30
19:0
019
:30
20:0
020
:30
21:0
021
:30
22:0
022
:30
V+
KO
148th NE Southbound
0
200
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1400
1600
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2000
15:0
015
:30
16:0
016
:30
17:0
017
:30
18:0
018
:30
19:0
019
:30
20:0
020
:30
21:0
021
:30
22:0
022
:30
V+
KO
148th Ave NE Threshold Values
AM Noon
PM
148th Ave NE Northbound
0
200
400
600
800
1000
1200
1400
1600
1800
2000
7:15 7:30 7:45 8:00 8:15 8:30 8:45 9:00 9:15 9:30 9:45 10:00 10:15 10:30 10:45 11:00 11:15
V+
KO
148th Ave NE Southbound
0
500
1000
1500
2000
2500
3000
11:15 11:30 11:45 12:00 12:15 12:30 12:45 13:00 13:15 13:30 13:45 14:00 14:15 14:30 14:45 15:00
V+
KO
148th NE Southbound
0
200
400
600
800
1000
1200
1400
1600
1800
2000
15:00 15:30 16:00 16:30 17:00 17:30 18:00 18:30 19:00 19:30 20:00 20:30 21:00 21:30 22:00 22:30
V+
KO
Determining Threshold using CCTV
• Identify the detector• Monitor traffic and implement timing plan
changes when congested• Record the corresponding V+KO threshold
values • Using the threshold values to set up TRSP
the next day• Monitor the change• Repeat the process is needed
Bellevue Square Traffic
Detector
Bellevue Square Traffic
No Right Turn Sign
I-405 Coal Creek SB Ramp
Coal Creek ParkCoal Creek ParkCoal Creek ParkCoal Creek ParkCoal Creek Park
Detector
I-405 Coal Creek SB Ramp
Coal Creek ParkCoal Creek ParkCoal Creek ParkCoal Creek ParkCoal Creek Park
Factoria Blvd
Factoria Blvd AM Time of Day Pattern
130.0
140.0
150.0
6:30
6:40
6:50
7:00
7:10
7:20
7:30
7:40
7:50
8:00
8:10
8:20
8:30
8:40
8:50
9:00
9:10
9:20
9:30
9:40
9:50
10:00
10:10
10:20
10:30
10:40
10:50
11:00
11:10
11:20
11:30
11:40
11:50
12:00
Cy
cle
(s
ec
)
TOD
Factoria Blvd AM Pattern
130.0
140.0
150.0
6:30
6:40
6:50
7:00
7:10
7:20
7:30
7:40
7:50
8:00
8:10
8:20
8:30
8:40
8:50
9:00
9:10
9:20
9:30
9:40
9:50
10:00
10:10
10:20
10:30
10:40
10:50
11:00
11:10
11:20
11:30
11:40
11:50
12:00
Cy
cle
(s
ec
)
27-Oct
TOD
Factoria Blvd AM Pattern
130.0
140.0
150.0
6:30
6:40
6:50
7:00
7:10
7:20
7:30
7:40
7:50
8:00
8:10
8:20
8:30
8:40
8:50
9:00
9:10
9:20
9:30
9:40
9:50
10:00
10:10
10:20
10:30
10:40
10:50
11:00
11:10
11:20
11:30
11:40
11:50
12:00
Cy
cle
(s
ec
)
27-Oct
28-Oct
TOD
Factoria Blvd AM Pattern
130.0
140.0
150.0
6:30
6:40
6:50
7:00
7:10
7:20
7:30
7:40
7:50
8:00
8:10
8:20
8:30
8:40
8:50
9:00
9:10
9:20
9:30
9:40
9:50
10:00
10:10
10:20
10:30
10:40
10:50
11:00
11:10
11:20
11:30
11:40
11:50
12:00
Cy
cle
(s
ec
)
27-Oct
28-Oct
29-Oct
TOD
Factoria Blvd AM Pattern
130.0
140.0
150.0
6:30
6:40
6:50
7:00
7:10
7:20
7:30
7:40
7:50
8:00
8:10
8:20
8:30
8:40
8:50
9:00
9:10
9:20
9:30
9:40
9:50
10:00
10:10
10:20
10:30
10:40
10:50
11:00
11:10
11:20
11:30
11:40
11:50
12:00
Cy
cle
(s
ec
)
27-Oct
28-Oct
29-Oct
30-Oct
TOD
FactoriaAM Pattern
130.0
140.0
150.0
6:30
6:40
6:50
7:00
7:10
7:20
7:30
7:40
7:50
8:00
8:10
8:20
8:30
8:40
8:50
9:00
9:10
9:20
9:30
9:40
9:50
10:00
10:10
10:20
10:30
10:40
10:50
11:00
11:10
11:20
11:30
11:40
11:50
12:00
Cyc
le (
sec)
27-Oct
28-Oct
29-Oct
30-Oct
11-Nov
TOD
116th Ave SE
116th Ave SE PM Time of Day Pattern
120.0
140.0
15:0
015
:10
15:2
015
:30
15:4
015
:50
16:0
016
:10
16:2
016
:30
16:4
016
:50
17:0
017
:10
17:2
017
:30
17:4
017
:50
18:0
018
:10
18:2
018
:30
18:4
018
:50
19:0
0
Cy
cle
(s
ec
)
TOD
116th Ave SE PM Traffic Responsive Pattern
120.0
140.0
15:0
015
:10
15:2
015
:30
15:4
015
:50
16:0
016
:10
16:2
016
:30
16:4
016
:50
17:0
017
:10
17:2
017
:30
17:4
017
:50
18:0
018
:10
18:2
018
:30
18:4
018
:50
19:0
0
Cy
cle
(s
ec
)
27-Oct
TOD
116th Ave SE PM Traffic Responsive Pattern
120.0
140.0
15:0
015
:10
15:2
015
:30
15:4
015
:50
16:0
016
:10
16:2
016
:30
16:4
016
:50
17:0
017
:10
17:2
017
:30
17:4
017
:50
18:0
018
:10
18:2
018
:30
18:4
018
:50
19:0
0
Cy
cle
(s
ec
)
27-Oct
28-Oct
TOD
116th Ave SE PM Traffic Responsive Pattern
120.0
140.0
15:0
015
:10
15:2
015
:30
15:4
015
:50
16:0
016
:10
16:2
016
:30
16:4
016
:50
17:0
017
:10
17:2
017
:30
17:4
017
:50
18:0
018
:10
18:2
018
:30
18:4
018
:50
19:0
0
Cy
cle
(s
ec
)
27-Oct
28-Oct
29-Oct
TOD
116th Ave SE PM Traffic Responsive Pattern
120.0
140.0
15:0
015
:10
15:2
015
:30
15:4
015
:50
16:0
016
:10
16:2
016
:30
16:4
016
:50
17:0
017
:10
17:2
017
:30
17:4
017
:50
18:0
018
:10
18:2
018
:30
18:4
018
:50
19:0
0
Cy
cle
(s
ec
)
27-Oct
28-Oct
29-Oct
30-Oct
TOD
116th Ave SE PM Traffic Responsive Pattern
120.0
140.0
15:0
015
:10
15:2
015
:30
15:4
015
:50
16:0
016
:10
16:2
016
:30
16:4
016
:50
17:0
017
:10
17:2
017
:30
17:4
017
:50
18:0
018
:10
18:2
018
:30
18:4
018
:50
19:0
0
Cy
cle
(s
ec
)
27-Oct
28-Oct
29-Oct
30-Oct
31-Oct
TOD
116th Ave SE PM Traffic Responsive Pattern
120.0
140.0
15:0
015
:10
15:2
015
:30
15:4
015
:50
16:0
016
:10
16:2
016
:30
16:4
016
:50
17:0
017
:10
17:2
017
:30
17:4
017
:50
18:0
018
:10
18:2
018
:30
18:4
018
:50
19:0
0
Cy
cle
(s
ec
)
27-Oct
28-Oct
29-Oct
30-Oct
31-Oct
13-Oct
TOD
148th Arterial
148th Ave SE PM Time of Day Pattern
120.0
130.0
140.0
150.0
15:00
15:10
15:20
15:30
15:40
15:50
16:00
16:10
16:20
16:30
16:40
16:50
17:00
17:10
17:20
17:30
17:40
17:50
18:00
18:10
18:20
18:30
18:40
18:50
19:00
19:10
19:20
19:30
19:40
19:50
20:00
20:10
20:20
20:30
20:40
20:50
21:00
Cy
cle
(s
ec
)
TOD
148th Ave SE PM Traffic Responsive Pattern
120.0
130.0
140.0
150.0
15:00
15:10
15:20
15:30
15:40
15:50
16:00
16:10
16:20
16:30
16:40
16:50
17:00
17:10
17:20
17:30
17:40
17:50
18:00
18:10
18:20
18:30
18:40
18:50
19:00
19:10
19:20
19:30
19:40
19:50
20:00
20:10
20:20
20:30
20:40
20:50
21:00
Cy
cle
(s
ec
)
27-Oct
TOD
148th Ave SE PM Traffic Responsive Pattern
120.0
130.0
140.0
150.0
15:00
15:10
15:20
15:30
15:40
15:50
16:00
16:10
16:20
16:30
16:40
16:50
17:00
17:10
17:20
17:30
17:40
17:50
18:00
18:10
18:20
18:30
18:40
18:50
19:00
19:10
19:20
19:30
19:40
19:50
20:00
20:10
20:20
20:30
20:40
20:50
21:00
Cy
cle
(s
ec
)
27-Oct
28-Oct
TOD
148th Ave SE PM Traffic Responsive Pattern
120.0
130.0
140.0
150.0
15:00
15:10
15:20
15:30
15:40
15:50
16:00
16:10
16:20
16:30
16:40
16:50
17:00
17:10
17:20
17:30
17:40
17:50
18:00
18:10
18:20
18:30
18:40
18:50
19:00
19:10
19:20
19:30
19:40
19:50
20:00
20:10
20:20
20:30
20:40
20:50
21:00
Cy
cle
(s
ec
)
27-Oct
28-Oct
29-Oct
TOD
148th Ave SE PM Traffic Responsive Pattern
120.0
130.0
140.0
150.0
15:00
15:10
15:20
15:30
15:40
15:50
16:00
16:10
16:20
16:30
16:40
16:50
17:00
17:10
17:20
17:30
17:40
17:50
18:00
18:10
18:20
18:30
18:40
18:50
19:00
19:10
19:20
19:30
19:40
19:50
20:00
20:10
20:20
20:30
20:40
20:50
21:00
Cy
cle
(s
ec
)
27-Oct
28-Oct
29-Oct
30-Oct
TOD
148th Ave SE PM Traffic Responsive Pattern
120.0
130.0
140.0
150.0
15:00
15:10
15:20
15:30
15:40
15:50
16:00
16:10
16:20
16:30
16:40
16:50
17:00
17:10
17:20
17:30
17:40
17:50
18:00
18:10
18:20
18:30
18:40
18:50
19:00
19:10
19:20
19:30
19:40
19:50
20:00
20:10
20:20
20:30
20:40
20:50
21:00
Cy
cle
(s
ec
)
27-Oct
28-Oct
29-Oct
30-Oct
31-Oct
TOD
SB Corridors From Redmond
2008 Halloween PM Traffic
148th Ave SE PM Pattern
0
1
2
3
148th 10/24 Fri
148th Halloween
140th Ave SE PM Pattern
0
1
2
3
14:0
014
:15
14:3
014
:45
15:0
015
:15
15:3
015
:4516
:00
16:1
516
:3016
:45
17:0
017
:15
17:3
017
:45
18:0
018
:1518
:30
18:4
519
:0019
:15
19:3
019
:4520
:00
20:1
520
:30
20:4
521
:00
140th 10/24 Fri
140th Halloween
156th Ave SE PM Pattern
0
1
2
3156th 10/24 Fri
156th Halloween
Concluding Thoughts
Concluding Thoughts
Traffic Responsive Control
“Manage” TOD plans effectively
Concluding Thoughts
Traffic Responsive Control
• “Manage” TOD plans effectively
• Handle day to day traffic variation
Concluding Thoughts
Traffic Responsive Control
• “Manage” TOD plans effectively
• Handle day to day traffic variation
• Handle regular events - weekend, holiday, school events, etc.
Concluding Thoughts
Traffic Responsive Control
• “Manage” TOD plans effectively
• Handle day to day traffic variation
• Handle regular events - weekend, holiday, school events, etc.
• May handle unpredictable events - accident, sales, freeway backup, etc.
Concluding Thoughts
Traffic Responsive Control
• “Manage” TOD plans effectively
• Handle day to day traffic variation
• Handle regular events - weekend, holiday, school events, etc.
• May handle unpredictable events - accident, sales, freeway backup, etc.
• Give “warning” for timing pattern update
The End