HomeMy WebLinkAboutTraffic Analysis - Supplement~r ..
A & F ENGINEERING CO., LLC
CONSULTING ENGINEERS
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William J. Fehribach, P.E. 8425 Keystone Crossing, Suite 200
President Indianapolis, In 46240
(3l7) 202-0864 fax (3 U) 202-0908
Steven J. Fehribach, P.E. ~ www.af-eng.com
Vice President
MEMORANDUM
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DATE: 12/8/03 ~ ~i
TO: Mr. Steve Pittman ~ D C~F~~lEp63
Pittman Partners
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FROM: Matt Brown, P.E.
A&F Engineering Co., LLC ~
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RE: Additional Analysis for Burlingame
A&F Engineering has completed a supplemental traffic analysis for the proposed Burlingame residential
site. This analysis is in addition to the original traffic study prepared in September 2003 for the subject
site. Per the request of the Ciry of Carmel Plan Commission, the additional analysis addressed issues
surrounding the existing and future traffic conditions at 116`h Street and Shelborne Road.
A total of four traffic scenarios were studied as part of the original traffic study. The first three scenarios
analyzed the existing traffc volumes with a variety of different geometric conditions at the intersection.
On the other hand, the fourth scenario analyzed future traffic conditions and the alignment of the
intersection.
The results of these scenarios revealed that the intersection of 116`h Street and Shelborne Road should be
aligned and additional improvements (lane improvements, signal installation) could be warranted within
the near future. However, no results were presented that addressed the operations of this intersection if it
was not aligned and future traffic was added to the roadway network. Therefore, additional analyses were
conducted to determine the impact of future traffic on the unaligned intersection.
The following table summarizes the level of service results from the original study (shown in blue) as
well as the results from the supplemental analysis (shown in red). In addition, the attached tigures
illustrate the traffic volumes and intersection configurations used for each scenario.
AM PEAK H(~IIR
SCENARIO
MOVEMENT l A I C 2A 2B 2C
EAST WEST I B EAST WEST
Northbound Approach --- B C B --- B F B
Southbound A roach C --- F B F ,-- F B
Eastbound A roach A --- A A A --- A B
Westbound A roach --- A A A --- B A C
Intersection --- --- --- B --- --- --- B
PM PEAK HOUR
SCENARIO
MOVEMENT ]A
B
IC 2A
2B
2C
EAST WEST I EAST WEST
Northbound Approach --- C F B --- F F C
Southbound A roach C --- F B F --- F C
Eastbound A roach A --- A B C --- A C
Westbound A roach --- A A B --- B A B
Intersection --- --- --- B --- --- --- C
Scenario lA: Existing Traffic Volumes with Existing Geometrics* (East=1161 Street &
North Leg of Shelborne Road, West=116t" Street & South Leg of Shelborne
Road)
Scenario 1B: Existing Traffic Volumes with Future Geometrics* and Existing Two-Way
Stop Control with Shelborne Road Stopping for 116"' Street.
Scenario 1 C: Existing Traffic Volumes with Proposed Geometrics* and a Proposed Traffic
Signal.
Scenario 2A: Sum of Existing, Year 2013 and Generated Traffic Volumes with Existing
Geometrics* (East=116`'' Street & North Leg of Shelborne Road, West=l l6`n
Street & South Leg of Shelborne Road)
Scenario 2B: Sum of Existing, Year 2013 and Generated Traffic Volumes with Future
Geometrics* and Existing Two-Way Stop Control with Shelborne Road
Stopping for ~ 16th Street.
Scenario 2C: Sum of Existing, Year 2013 and Generated Traffic Volumes with Proposed
Geometrics* and a Proposed Traffic Signal.
* See Attached Figures for Intersection Geometrics
Based on the capacity analysis results summarized above, the conclusions and recommendations
outlined in the original traffic operations analysis remain unchanged for this intersection. The
conclusions and recommendations are based on future traffic volumes from Burlingame as well
as volumes from vacant land that is to be developed within the surrounding area. The
recommendations are as follows:
• Shelborne Road should be aligned at 116t'' Street.
• Left-turn lanes should be added along all approaches.
• A traffic signal should be installed when warranted.
- 12- 9-03; 3:03PM;PIttman Partners
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PI7TMAN PARTNERS
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®A ! K Engineering Co., LLC 2003
"AL Rights Reserved"
- t2- 9-03; 3:03PM;Pittman Partners
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Neal Smith
Pittman Partners, Inc.
(317)580-0883
(317) 580-9786
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