Addendum #1 S. 9th St. Concept Design
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ENGINEERING REPORT - ADDENDUM #1
The City of Salina, Kansas
South Ninth Street Concept Design
****
Kristin M. Seaton, Mayor
COMMISSIONERS
Alan E. Jilka
Debbie Divine
Monte D. Shadwick
Don Heath
Dennis Kissinger, City Manager
Lieu Ann Nicola, City Clerk
Shawn O'Leary, Director of Engineering and General Services
****
Address all communication
regarding this work to:
Wilson & Company
P.O. Box 1640
Salina. KS 67402-1640
(785) 827-0433
INllSON
& COMPANY
.r anuary 2002
97-4\ 0-039.03
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T ABLE OF CONTENTS
1.
INTRODUCTION ....... ..... ...... ...... ...... ...... ...... ...... .... ........ ...... ...... ........... ...... ...... ........ ..... ........ ..... ..1
Purpose.......................................................................................................................... .......1
Corridor Characteristic Changes..........................................................................................l
II.
CURRENT TRAFFIC.....................................................................................................................l
South Ninth Street Traffic Flow....... .............................. ................. ....................................2
Magnolia Road.....................................................................................................................2
Belmont Boulevard..............................................................................................................2
Figure 1-2( a) ........................................................................................................................3
III.
TRAFFIC PROJECTIONS..............................................................................................................4
Figure 2 - 2 ( a) ........................................................................................................................ 5
Figure 2-4( a) ........................................................................................................................6
IV.
D ESI ON CHAN OES ....................................................................................................................... 7
Figure 2- 3 (a) ........................................................................................................................8
V.
SUMMARy.................................................................................................................................. ...9
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I. INTRODUCTION
Purpose
This report is an addendum to the engineering report entitled SOUTH NINTH
STREET CONCEPT DESIGN, published by Wilson & Company, Engineers &
Architects in November 1997 for the City of Salina, Kansas. Its purpose is to
document results of recent traffic analysis along the South Ninth Street Corridor from
Schilling Road to Magnolia Road and to outline changes that have taken place since
1997 including continued residential and commercial development, enhancements to
adjacent traffic systems and modified design objectives.
South Ninth Corridor improvements are being completed in phases. The first two
phases are already completed and they extend from Broadway Boulevard to Magnolia
Road. Phase III from Magnolia Road to Belmont Boulevard will be constructed in
2002. When funding is available, Phase IV from Belmont Boulevard to Schilling
Road will be final designed and constructed. The limits of this study currently end at
Schilling Road.
Corridor Changes
Since 1997 changes have taken place in south Salina impacting traffic distributions
and volumes:
. Construction of the 1-13 5/Magnolia Road interchange
. South Ohio Street widening and signalization
. Continued development in south Salina
II. CURRENT TRAFFIC
Twenty-four hour traffic counts were taken on southbound and northbound South
Ninth Street at locations south of Magnolia Road, south of Belmont Boulevard and
North of Schilling Road. Twenty-four hour traffic counts were also taken at the
Belmont Boulevard intersection and on the northbound left turn lane at the Magnolia
Road intersection. These counts along with the peak hour turning movements are
shown on Figure 1-2(a). This figure is a revision of Figure 1-2 from the 1997 South
Ninth Street Concept Design.
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South Ninth Street Traffic Flow
Figure 1-2(a) shows that the predominant traffic flow of this section of Ninth Street is
northward towards Magnolia Road. Directional Distribution for this section of Ninth
Street is approximately fifty-five percent northbound and forty-five percent
southbound. The largest traffic generator in the corridor is Belmont Boulevard
followed by Sam's Place and Debold Avenue.
Comparing the 2001 peak hour volumes to the peak hour volumes of 1997, a
significant decrease in traffic is observed especially south of Belmont Boulevard.
Prior to 1997 traffic accessed 1-135 from the Schilling Road interchange. Since the
1997 counts were obtained, an interchange has been constructed allowing access to
1-135 from Magnolia Road. This has resulted in decreased volumes, improved safety
and reduced delays in this corridor.
Magnolia Road
Peak hour traffic for the northbound left turn at Magnolia road has increased thirty-
three percent since the 1997 traffic study. This increase can be attributed in part to
traffic now being able to access 1-135 via Magnolia Road.
Belmont Boulevard
Since 1997, there has been a twenty-five percent decrease in peak hour traffic
accessing Ninth Street from the east leg of Belmont Boulevard. Likewise, there has
been a twenty-five percent decrease in peak hour traffic accessing the east leg of
Belmont Boulevard from Ninth Street. These decreases can be attributed to two
nearby roadway improvements. Motorists are opting to travel the improved Ohio
Street to access the south Salina industrial area. Also motorists are able to access
1-135 at the Magnolia interchange rather than traveling Belmont Boulevard and Ninth
Street to access the Schilling Road interchange.
There has been a notable increase in the peak hour traffic accessing the west leg of
Belmont Boulevard from Ninth Street. Similarly, there has been a notable increase in
traffic accessing Ninth Street from the west leg of Belmont Boulevard. This is
attributed to increased business development in the proximity.
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NINTH STREET
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LEGEND
TURNING MOVEMENT VOLUME
TRAFFIC FLOW VOLUME
24 HOUR TRAFFIC VOLUME
INTERSTA TE 135
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SOUTH NINTH STREET CONCEPT DESIGN
SALINA, KANSAS
CURRENT YEAR TURNING MOVMENTS
AND FLOW FOR THE P.M. PEAK HOUR
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DRAWN
CSN
DATE
DEC. 2001
WlIS"'"
&COMPANY
FilE NO.
91.,0039.03
1700 E. IRON A VENUE
SALINA, KS 67401
(785) 827 -04 33
FIGURE NO.
1-2(0)
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III. TRAFFIC PROJECTIONS
Traffic projections are developed for evaluating system responsiveness during the
horizon year. The horizon year is taken as 20 years from the date of analysis. Figure
2-4(a) summarizes the estimated traffic generated by potential developments in the
corridor. Figure 2-2(a) summarizes the horizon year (2021) traffic volumes, which
includes a one percent growth factor plus additional traffic generated by potential
developments as summarized in figure 2-4(a).
Turn bay length design was generally based on the horizon year traffic. However. in
the case of Belmont Boulevard and Mid-State Plaza the eastbound and westbound
turn bay lengths were restricted by existing features.
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INTERSTA TE 135
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LEGEND
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SOUTH NINTH STREET CONCEPT DESIGN
SALlNA,KANSAS
HORIZON YEAR: 2021 TURNING MOVEMENTS &
TRAFFIC FLOWS FOR THE P.M. PEAK HOUR
DESIGN
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DRAWN
JPB
DATE
DEC. 2001
II1II..0lIl
&COMPANY
FIlE NO.
97~10039.03
1100 E. IRON A VENUE
SALINA, KS 61401
(185) 821-0433
FlCURE NO.
2-2(0)
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LEGEND
TURNING MOVEMENT VOLUME
TRAFFIC FLOW VOLUME
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PLANET A VENUf
SOUTH NINTH STREET CONCEPT DESIGN
SALINA. KANSAS
ESTIMA TED PEAK HOUR TRAFFIC
GENERATED BY POTENTIAL DEVELOPMENTS
DESIGN
SKG
DRAWN
JPB
DATE
DEC. 2001
WlISOJIf
&COMPANY
FILE NO.
97"0039.03
1700 E. IRON A VENUE
SALINA, KS D 7401
(785) 827-0433
F"IGURE NO.
2-4(0)
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IV. DESIGN CHANGES
Figure 2-3(a) is a revision of Figure 2-3 from the 1997 South Ninth Street Concept
Design. This figure shows proposed improvements and signalized intersections.
Note that in 1997 a signal was proposed at the intersection of Ninth Street and Key
A venue. Now the Key A venue intersection will be unsignalized and the Mid-State
Plaza intersection will be signalized. This change was a result of the present need for
a signal at the Mid-State Plaza as well as not knowing when the property west of
Ninth Street near Key Avenue would be developed.
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NOT TO SCALE
POSSIBLE EXTENSION AND
CONNECTION OF KEY A VENUE
PLANET A VENUE
ALLOW FOR
FUTURE SIGNAL
MID STA TE
PLAZA
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CLOSE MEDIAN CROSSING
NINTH STREET
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INTERSTA TE 135
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; IMPROVE SIGNAL PROGRESSION
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UNSIGNALlZED INTERSECTION
RIGHT TURN IN &
RIGHT TURN OUT
SIGNALIZED INTERSECTION
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EXTEND AND CONNECT
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NEW CONNECTION TO
9TH STREET AND KEY
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RELOCA TE INTERSECTION
OF PARWAY AVENUE
WITH S. NINTH STREET
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POSSIBLE EXTENSION AND
CONNECTION OF OTTO AVE.
SOUTH NINTH STREET CONCEPT DESIGN
SALINA, KANSAS
PROPOSED IMPROVEMENTS
DESIGN DRAWN
SKG CSN
DATE
DEC. 2001
'WIIS"'"
&COMPANY
FIlE NO.
97410039.03
1700 E. IRON AVENUE
SALINA, KS 67401
1785) 827-0433
FIGURE NO.
2-310)
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V. SUMMARY
Recent improvements to the surrounding interstate system and major arterials have
reduced traffic volumes on South Ninth Street from Schilling Road to Magnolia Road
since the 1997 report. Now that most anticipated improvements are complete. traffic
volumes are expected to increase due to normal growth as well as increased
commercial development along the corridor. For additional information, please refer
to the amended figures in this report as well as the original 1997 report.
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