Transcript SURVEY OF CANADIAN ROUNDABOUTS

SURVEY OF CANADIAN
ROUNDABOUTS
ITE 2010 ANNUAL MEETING & EXHIBIT
VANCOUVER, B.C., CANADA
AUGUST 10, 2010
SAJJAD RASHEED, P.E., PTOE
SNC-LAVALIN
SURVEY OF CANADIAN ROUNDABOUTS
ACKNOWLEDGEMENT
•Bruce Beames, Stantec
•Leanna Belluz, Transport Canada
•Lincoln MacDonald, MRC
•Jose Pinto, McElhanny
•Phil Weber, Ourston Roundabouts
SURVEY OF CANADIAN ROUNDABOUTS
SUMMARY
•BACKGROUND
•METHODOLOGY
•ISSUES
•PRELIMINARY RESULTS
•NEXT STEPS
SURVEY OF CANADIAN ROUNDABOUTS
BACKGROUND
•CITE’S Transportation Liaison Committee (TLC)
•Other North American Studies
o“Synthesis of North American Roundabout Practice”, TAC,
2006
o“Roundabouts in the United States”, NCHRP-572, TRB,
2007
o“Roundabouts: An Informational Guide”, FHWA, 2000
•TLC Roundabout Committee
SURVEY OF CANADIAN ROUNDABOUTS
METHODOLOGY
•Define Study Objectives
•Database of Canadian Roundabouts
•Develop Questionnaire
•Select Survey Format
•Conduct Survey
•Documentation
SURVEY OF CANADIAN ROUNDABOUTS
METHODOLOGY: Define Study Objectives
•Study Title: “Roundabouts in Canada: A Primer for Decision-Makers”
•Table of Contents:
1. Executive Summary
2. Background of Study
3. Introduction to Roundabouts
4. Perceived Issues with Roundabouts
5. Roundabout Experience in Canada (Survey Results)
6. Conclusion
7. Selected Bibliography (Worldwide)
SURVEY OF CANADIAN ROUNDABOUTS
METHODOLOGY: Database of Canadian Roundabouts
Province
1
Kittleson
Database1
AB
BC
MB
NB
NL
NS
NT
NU
ON
PE
19
30
8
3
Responses
Not in Kittleson Total Confirmed Other Possible Total Possible
Received So far
Database
Roundabouts
Roundabouts Roundabouts
17
3
14
2
19
44
10
3
3
2
1
3
1
29
10
1
10
1
39
1
5
44
1
QC
21
2
2
23
20+
43+
SK
YK
Total =
2
2
117
1
29
2
2
146
31+
2
2
177+
35
http://roundabouts.kittelson.com/Roundabouts
3
22
46
10
3
1
3
SURVEY OF CANADIAN ROUNDABOUTS
SURVEY OF CANADIAN ROUNDABOUTS
METHODOLOGY: Develop Questionnaire
SURVEY OF CANADIAN ROUNDABOUTS
METHODOLOGY: Develop Questionnaire
SURVEY OF CANADIAN ROUNDABOUTS
METHODOLOGY: Develop Questionnaire
SURVEY OF CANADIAN ROUNDABOUTS
METHODOLOGY: Develop Questionnaire
SURVEY OF CANADIAN ROUNDABOUTS
METHODOLOGY: Develop Questionnaire
SURVEY OF CANADIAN ROUNDABOUTS
METHODOLOGY: Survey Format
•Survey Vendor
•Zoomerang, etc.
•Email Survey
SURVEY OF CANADIAN ROUNDABOUTS
PRELIMINARY RESULTS
1.GENERAL
Upgrade/New
Reason for Roundabout
Upgrade
27
77%
Operations & Safety
11
31%
New
8
23%
Operations
6
17%
No Response
0
0%
Geometry
4
11%
Safety
2
6%
Other
2
6%
Access
1
3%
No Response
8
23%
SURVEY OF CANADIAN ROUNDABOUTS
PRELIMINARY RESULTS
Highest Number of Circulatory Lanes
1-lane
20
2-lane
6
3-lane
2
No Response
7
2. DESIGN INPUTS
Number of Legs
57%
3-legs
17%
4-legs
6%
5-legs
20%
No Response
Largest Design Vehicle
B-Train
Bus: Standard (B-12)
Fire Truck
Tractor Trailer (WB-19)
Tractor Trailer (WB-20)
Trucks (SU)
No Response
4
4
4
1
9
1
9
11%
11%
11%
3%
26%
3%
26%
Urban/Rural
Urban
Rural
No Response
17
11
7
49%
31%
20%
4
22
2
7
11%
63%
6%
20%
Truck Apron
Yes
No
No Response
22
7
6
63%
20%
17%
Right-turn Slip Lanes
1-lane
2-lane
No
No Response
3
1
24
7
9%
3%
69%
20%
High Speed Approaches (>80 kmh)
Yes
8
No
20
No Response
7
23%
57%
20%
SURVEY OF CANADIAN ROUNDABOUTS
PRELIMINARY RESULTS
3. TRAFFIC OPERATIONAL CHARACTERISTICS
Software Used
Operational Problems with Roundabout
aaSIDRA
2
6%
Delays & Queues
5
14%
RODEL
2
6%
High Speeds
4
11%
SYNCHRO
1
3%
Truck Access
7
20%
VISSIM
2
6%
Other
3
9%
No Response
26
74%
N/A (new)
1
3%
No Response
15
43%
Design Changes after Installation
N/A (new)
5
14%
No
11
31%
Truck Access
3
9%
Other
3
9%
No Response
10
29%
SURVEY OF CANADIAN ROUNDABOUTS
PRELIMINARY RESULTS
4. PEDESTRIANS / CYCLISTS
High Pedestrian / Cyclist Location
Pedestrian Accommodation
High Pedestrian Only
3
9%
Curb cuts
4
11%
High Bike Only
0
0%
Marked Crosswalks
18
51%
High for Both
6
17%
Other
4
11%
None
17
49%
No Response
9
26%
No Response
9
26%
Cyclists Accommodation
None (Shared with
Autos)
Disabled Pedestrian Access
13
37%
None
20
57%
Separate Pathway
10
29%
N/A
1
3%
No Response
12
34%
No Response
11
31%
SURVEY OF CANADIAN ROUNDABOUTS
PRELIMINARY RESULTS
5. SAFETY
Illumination
Safety Issues with Roundabout
Yes
25
71%
N/A
3
9%
No
1
3%
No
13
37%
No Response
9
26%
Yes
5
14%
No Response
5
14%
6. MAINTENANCE
7. POLICY
Maintenance Issues
Criteria for Installing Roundabouts
N/A
6
17%
None
12
34%
None
8
23%
Operations & Safety
8
23%
Snow Removal
6
17%
Other
1
3%
Other
4
11%
Policy
5
14%
No Response
11
31%
No Response
9
26%
SURVEY OF CANADIAN ROUNDABOUTS
PRELIMINARY RESULTS
8. PUBLIC ACCEPTANCE
Public Perception Before Installation
Public Perception After Installation
N/A
1
3%
N/A
2
N/A (new)
4
11%
N/A (new)
5
Negative
6
17%
Negative
0
Neutral
6
17%
Neutral
3
Positive
6
17%
Positive
12
No Response
12
34%
No Response
13
6%
14%
0%
9%
34%
37%
Specific Complaints or Complements
N/A
8 23%
Complaints
4 11%
Complements
11 31%
Public Opinion Causing Policy Change
N/A
7
20%
No
11
31%
Yes
5
14%
No Response
No Response
12
34%
12
34%
SURVEY OF CANADIAN ROUNDABOUTS
PRELIMINARY RESULTS
9. OTHER
Landscaping Incorporated in Design
Yes
21
60%
No
6
17%
No Response
8
23%
Boulevard Between Sidewalks
N/A
6
No
2
Yes
18
No Response
9
17%
6%
51%
26%
SURVEY OF CANADIAN ROUNDABOUTS
ISSUES
•Slow responses
•Incomplete surveys
•Misinterpreted questions
SURVEY OF CANADIAN ROUNDABOUTS
NEXT STEPS
•Follow up with jurisdictions
oNo responses
oIncomplete responses
oMisinterpreted questions
•Send Excel version of survey to jurisdictions as required
•Send Excel version to any new jurisdiction
•Complete survey by end of August 2010
•Concurrently complete other tasks in the TOC
•Final report by end of 2010 or early 2011
SURVEY OF CANADIAN ROUNDABOUTS
THE END
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