To:Chairman and Members of the Scarborough Community Council
From:Gary Welsh, Director, Transportation Services, Works and Emergency Services,
District 4
Subject:Installation of a 40 Kilometre Per Hour Speed Limit on Denton Avenue and
Newport Avenue, Scarborough Bluffs
Purpose:
To investigate the need for a 40 kilometre per hour speed limit on Denton Avenue and
Newport Avenue.
Funding Sources, Financial Implications and Impact Statement:
The $1,000.00 (approximate) funds associated with the installation of the speed limit signs is
available in the Transportation Services 1999 budget estimates, Account No. 100-TP10226.
Recommendations:
It is recommended that:
(1)the 40 kilometre per hour speed limits identified in Appendix 1 of this report be adopted;
and
(2)the appropriate by-law be amended accordingly.
Council Reference/Background/History:
During a public meeting in the Oakridge Community, Transportation Services received a
number of requests including a concern with regard to speeding on Denton Avenue and
Newport Avenue.
Comments and/or Discussion and/or Justification:
Denton Avenue and Newport Avenue are residential collector roads located north of Danforth
Avenue, near Pharmacy Avenue. Oakridge Public School and Samuel Hearne Senior Public
School abut both streets, east of Pharmacy Avenue. The speed limit on both streets is 50
kilometres per hour. Appropriate School Area signs are posted in advance of the school and a
signed School Crossing exists on Newport Avenue at Byng Avenue, and a pedestrian
crossover exists on Denton Avenue at Byng Avenue.
Speed studies were conducted on both Denton Avenue and Newport Avenue on Wednesday,
September 23, 1998. The following was recorded:
Location |
1 - 40
Km/h |
41 -
50
Km/h |
51 -
60
Km/h |
61 -
64
Km/h |
> 64
Km/h |
Total
Vehicles |
85th
%-ile
Speed |
Denton Ave.
West of
Robinson Ave. |
1058 |
1040 |
300 |
16 |
94 |
2508 |
51 km/h |
Denton Ave.
East of
Wanstead Ave. |
1118 |
1245 |
347 |
29 |
141 |
2880 |
52 km/h |
Newport Ave.
West of August
Ave. |
588 |
485 |
212 |
16 |
47 |
1348 |
53 km/h |
Note: The 85th percentile speed is the speed at or below which 85 percent of motorists are
travelling.
Staff investigated both roads for the installation of a 40 kilometre per hour speed limit. The
justification for the introduction of a 40 kilometre per hour speed limit on a roadway in the
former City of Scarborough is based on a technical warrant adopted by the former
Scarborough Council. Neither street fully satisfies all of the necessary requirements for a 40
kilometre per hour speed limit, mainly due to the fact that the 85th percentile speed slightly
exceeds 50 kilometres per hour and the minimum distance between controls is less than the
requirement.
However, on the location of Denton Avenue and Newport Avenue in proximity to schools,
and considering the warrants for a 40 kilometre per hour speed limit are predominantly
satisfied, we believe it would be appropriate to reduce the speed limit to 40 kilometres per
hour, east of Pharmacy Avenue.
Our review of the reported collision history for both roads for the period between January 1,
1997 and December 31, 1997 revealed a total of eight collisions on both roads. None of these
collisions involved speeding.
Conclusions:
Based upon the existing speed profile, the volume of traffic, and the proximity to schools,
staff recommend that both Denton Avenue, east of Pharmacy Avenue and Newport Avenue be
posted with a 40 kilometre per hour speed limit.
Contact Name:
Bruce Clayton
Supervisor, Traffic Engineering, Works and Emergency Services
Telephone: 396-7844
Fax: 396-5681
E-mail: clayton@city.scarborough.on.ca
Gary H. Welsh
Director
Transportation Services
Works and Emergency Services
District 4
BDC:ca
c:\work\reports\denton.wpd
D98-184
Appendix 1
"40 kilometre per hour Speed Limit"
Regulation to be Enacted
Column 1Column 2
HighwayFromTo
DentonPharmacy Patterson
AvenueAvenueAvenue
Newport PharmacyPatterson
AvenueAvenueAvenue