HomeMy WebLinkAboutAGENDA REPORT 2003 0409 CC SPC ITEM 04Ai T]EM 4 • X.
BACKGROUND
On October 30, 2002, the City Council reviewed and discussed
issues related to potential future roadway connections for the
North Hills Parkway, Walnut Canyon Road, Spring Road, and State
Route 23. The City Council asked staff for information on
alternative alignments for State Route 23 to address concerns
with truck traffic. Staff identified five (5) alternative
alignments and presented these to the City Council on March 19,
2003. The City Council requested a public workshop to gather
more information on these alternative alignments and any
additional potential alignments that may be developed.
DISCUSSION
The potential State Route alignments previously identified by
staff include:
1. Continued use of Walnut Canyon Road /Moorpark Avenue;
2. Development of Spring Road between Walnut Canyon Road and
Charles Street, as part of Moorpark Highlands Specific
Plan;
3. Development of a connection between East Los Angeles Avenue
and Broadway via Crawford Canyon;
4. Development of a connection between East Los Angeles Avenue
and Spring Road (in the Moorpark Highlands Specific Plan
S: \Community Development \G P Elements \Circulation Element \030409 Report to CC SR- 23.doc
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MOORPARK CITY COUNCIL
� _ � �a -►�_� �•_ to
AGENDA REPORT
TO: Honorable City Council
A'ot� - .
FROM: Barry K.
Hogan, Community Development Director
Prepared
By: David A. Bobardt, Planning Manager,
DATE: April 4,
2003 (Special CC Meeting of
4/9/2003)
SUBJECT: Consider
a Public Workshop to
Discuss Potential
8�
Alignments for State Route 23 North
of New Los Angeles
Yh�
Avenue
BACKGROUND
On October 30, 2002, the City Council reviewed and discussed
issues related to potential future roadway connections for the
North Hills Parkway, Walnut Canyon Road, Spring Road, and State
Route 23. The City Council asked staff for information on
alternative alignments for State Route 23 to address concerns
with truck traffic. Staff identified five (5) alternative
alignments and presented these to the City Council on March 19,
2003. The City Council requested a public workshop to gather
more information on these alternative alignments and any
additional potential alignments that may be developed.
DISCUSSION
The potential State Route alignments previously identified by
staff include:
1. Continued use of Walnut Canyon Road /Moorpark Avenue;
2. Development of Spring Road between Walnut Canyon Road and
Charles Street, as part of Moorpark Highlands Specific
Plan;
3. Development of a connection between East Los Angeles Avenue
and Broadway via Crawford Canyon;
4. Development of a connection between East Los Angeles Avenue
and Spring Road (in the Moorpark Highlands Specific Plan
S: \Community Development \G P Elements \Circulation Element \030409 Report to CC SR- 23.doc
0,00001
Honorable City Council
April 9, 2003
Page 2
area) via Crawford Canyon using the SR -118 reservation land
on the Moorpark Highlands Specific Plan; and
5. Improvement of Grimes Canyon Road to state highway
standards south of Broadway.
A copy of the March 19, 2003, staff report that analyzes these
alternatives is attached. One (1) additional alternative that
was raised at the March 19, 2003, Council meeting is the
possible use of "D" Street, a planned street segment shown in
the 1992 Circulation Element, but deleted from the Circulation
Element in 1999 as part of the Specific Plan No. 2 (Moorpark
Highlands Specific Plan) approval. This alternative would
involve the construction of a new street west from Princeton
Avenue (at the approximate location of the westbound freeway on-
ramp) to the State Route 23 Reservation on the Moorpark
Highlands Specific Plan, connecting to Broadway just east of
Walnut Canyon Road. An initial reconnaissance by staff
indicates that such a connection merits further study to
determine its viability and potential costs. A map showing this
potential alignment is attached. Representatives from California
Department of Transportation (CALTRANS) and Ventura County
Transportation Commission (VCTC) have been invited to the
workshop.
STAFF RECOMMENDATION
Open and close a public workshop; direct staff as appropriate.
Attachments:
1. Staff Report for 3/19/2003 City Council Meeting.
2. "D" Street Alternative.
000002
MOORPARK CITY COUNCIL
AGENDA REPORT
TO: Honorable City Council
FROM: Barry K. Hogan, Community Development Directo
Kenneth C. Gilbert, Director of Public Works
Prepared By: David A. Bobardt, Planning Manager )17
DATE: March 4, 2003 (CC Meeting of 3/19/2003)
SUBJECT: Consider Potential Alignments for State Route 23 North
of New Los Angeles Avenue.
BACKGROUND
On October 30, 2002, the City Council reviewed and discussed
issues related to potential future roadway connections for the
North Hills Parkway, Walnut Canyon Road, Spring Road, and State
Route 23. A study prepared by the City Engineer on a potential
alignment of State Route 23 between East Los Angeles Avenue and
Broadway via Crawford Canyon was presented to the City Council
as one option to address existing truck traffic on Walnut Canyon
Road /Moorpark Avenue. The City Council asked staff for
information on alternative alignments for State Route 23. Staff
identified five alternative alignments; a comparison of the pros
and cons of each alternative alignment is provided below.
DISCUSSION
The potential State Route alignments identified by staff
include:
1. Continued use of Walnut Canyon Road /Moorpark Avenue;
2. Development of Spring Road between Walnut Canyon Road and
Charles Street as part of Moorpark Highlands Specific Plan;
3. Development of a connection between East Los Angeles Avenue
and Broadway via Crawford Canyon;
4. Development of a connection between East Los Angeles Avenue
and Spring Road (in the Moorpark Highlands Specific Plan
CC ATTACHMENT 1
000003
Honorable City Council
March 19, 2003
Page 2
area) via Crawford Canyon using the SR -118 reservation land
on the Moorpark Highlands Specific Plan; and
5. Improvement of Grimes Canyon Road to state highway
standards south of Broadway.
These five (5) alternatives were then analyzed to identify both
opportunities and constraints associated with their use over a
long time horizon for the State Highway connection between the
SR- 118/23 Freeway and the State Highway 23 north of the City
limits. It should be noted that any alternative alignment would
require review and approval from the California Department of
Transportation (Caltrans), with a process that includes
extensive public participation and environmental review.
1. Continued Use of Walnut Canyon Road /Moorpark Avenue
The Toll Brothers and William Lyon Homes projects include a
coordinated approach to widen and improve Walnut Canyon
Road along their respective frontages as a two -lane
highway. Staff will also be recommending that the Suncal
applicant be required to construct improvements on Walnut
Canyon Road north of Casey Road if the proposed project is
to be approved. In addition, the Public Works Department
is negotiating with a consultant for design and
environmental services for a project to add a second
southbound lane on Moorpark Avenue from Casey Road to Third
Street.
Although these improvements will help the flow of traffic
along this route, they do not address the conflicts from
numerous driveways on both Walnut Canyon Road and Moorpark
Avenue. Many of these driveways require vehicles to back
out on to the State Highway. Future traffic projections
show these conflicts increasing, with an increase from
10,000 daily vehicles at present to 18,000 daily vehicles
by the year 2020. If Walnut Canyon Road and Moorpark
Avenue are to be used in the long term for the State Route
23, they should be reclassified in the Circulation Element
from local collectors to arterials to accommodate the
volume of projected traffic along this corridor. Neither
road would currently comply with the arterial criteria for
width (4 -6 lanes) or limited driveway access, and
improvements would be both difficult and costly given the
terrain and existing development. These limitations and
the difficulty in resolving land use conflicts affect the
irrr�.
Honorable City Council
March 19, 2003
Page 3
ability for this alignment to adequately serve in the long
term as an arterial route in the future.
It should be noted that the near -term improvements along
Walnut Canyon Road and Moorpark Avenue in the design and
construction phases are needed to accommodate traffic from
approved and planned projects along this corridor, even if
an alternative alignment is selected for State Route 23.
2. Development of Spring Road between Walnut Canyon Road and
Charles Street as part of Moorpark Highlands Specific Plan
This alignment was considered as part of the Moorpark
Highlands Specific Plan. Spring Road was approved to be
extended as a four -lane road from High Street to Walnut
Canyon Road. Concerns were raised at the project hearings
by residents along Charles Street over the potential truck
traffic conflicts by making Spring Road the preferable
route for trucks traveling between the Grimes Canyon
quarries and the SR- 118/23 freeways. (It is estimated that
heavy trucks currently represent 15% of the trips on Walnut
Canyon Road.) A condition was placed on the project for
the Spring Road extension to be posted to not allow truck
traffic. This condition would make its reclassification as
a State Highway highly unlikely.
This route represents the least -cost alternative to the
City in that the improvements will be provided as part of
the Moorpark Highlands Specific Plan. It also provides the
most direct route for trucks from the quarries to the
freeways, minimizing driveway conflicts and reducing the
length of travel along Los Angeles Avenue /New Los Angeles
Avenue. Development of this alignment would necessitate
detailed study of projected traffic volumes and turning
movements to create the best possible design for the
intersection of Charles Street and Spring Road to optimize
its operation.
3. Development of a Connection between East Los Angeles Avenue
and Broadway via Crawford Canyon
This alternative was presented to the City Council on
October 30, 2002. Charles Abbott Associates provided an
alignment study with an estimated cost of $23.4 million. A
diagram of this alignment alternative is shown as
Attachment 1. Although less expensive than the freeway
000005
Honorable City Council
March 19, 2003
Page 4
connection shown in the Circulation Element, this still
represents a significant construction cost.
It is expected that most trucks using this alignment would
connect to the freeway via East Los Angeles Avenue to the
Princeton Avenue /Los Angeles Avenue on- ramps. The
westbound on -ramp has very limited queuing at the present
time. Significant truck volumes utilizing this on -ramp
could cause congestion through the signal at Los Angeles
Avenue and Condor Drive, with levels of services
potentially declining to "E" or "F ". These impacts would
reduce the potential acceptability of this alignment by
Caltrans. It is possible that trucks going south on the
SR -23 Freeway could use Spring Road south of Los Angeles
Avenue, reducing this impact. However, the right turns of
trucks from Crawford Canyon onto Los Angeles Avenue may
impact traffic flow at this intersection given the length
of time needed to turn and the limited sight distance.
Finally, this route would involve grading in Coastal Sage
Scrub habitat (currently a part of the Moorpark Highlands
Specific Plan California Gnatcatcher Preserve) that could
be avoided under Alternatives 1, 2, and 5.
4. Development of a Connection between East Los Angeles Avenue
and Spring Road (in the Moorpark Highlands Specific Plan
Area) via Crawford Canyon Using the SR -118 Reservation Land
on the Moorpark Highlands Specific Plan
This alternative could be developed at a lower cost than
Alternative 3, since Spring Road would already be developed
as part of the Moorpark Highlands Specific Plan. Pardee
Homes has estimated the cost of this alternative at $13.6
million. A diagram of this alignment alternative is shown
as Attachment 2. Approximately $3 million as estimated by
Pardee Homes of this cost is related to the loss of 10 home
sites created by the necessary transition of Spring Road to
the SR -118 reservation land.
Because development areas in the Moorpark Highlands
Specific Plan would be affected by this alternative,
environmental review and an amendment to the Specific Plan
would be needed, along with a modification to the Tentative
Tract Map. This review process could add considerable time
to the process for Pardee Homes to obtain grading permits,
Honorable City Council
March 19, 2003
Page 5
with no assurance that Caltrans would accept this
alignment.
With similar potential traffic conflicts as Alternative 3,
the review process by Caltrans could take up to four years
for an alignment study, traffic capacity study, Project
Study Report, Project Report and Environmental Impact
Report just for Caltrans to determine whether or not it
would accept this alignment for State Highway 23. Another
five or more years would be needed for Plans,
Specifications and Estimates, right -of -way acquisition and
construction.
In addition to the impacts on Los Angeles Avenue, this
design would create an awkward intersection between Spring
Road, the Crawford Canyon road, and the North Hills
Parkway, with all three meeting at about the same location.
Finally, this design utilizes land reserved for an
extension of the State Route 118. If the State Route 118
extension is built without a connection to the southbound
SR -23 freeway from the west, this alternative route would
be bisected by the extension, requiring two turning
movements between Spring Road and East Los Angeles Avenue.
Although traffic issues would be similar to Alternative 3,
this alternative would involve more extensive grading and
construction on Coastal Sage Scrub habitat in the Moorpark
Highlands Specific Plan California Gnatcatcher Preserve.
Approximately $2.7 million of the cost is for the purchase
of habitat mitigation land at a 3 to 1 ratio for the
estimated 24.5 acres impacted. Review of a revision to the
Habitat Conservation Plan would be required by the
California Regional Water Quality Control Board, California
Department of Fish and Game, United States Department of
Fish and Wildlife, and Army Corps of Engineers
5. Improvement of Grimes Canyon Road to State Highway
Standards South of Broadway
Grimes Canyon Road is developed as a 2 -lane road to County
standards, with a relatively low volume of traffic
contemplated. It has design constraints for use as a
higher volume roadway that would require street widening
and a remedy of both horizontal and vertical realignment
problems. Upgrading this road would require widening
11111
Honorable City Council
March 19, 2003
Page 6
bridges and culverts, relocating drainage ditches,
installing paved shoulders and guardrails, and the
construction of extensive retaining walls. In order to
remedy grade problems at the railroad crossing just north
of Los Angeles Avenue, both Los Angeles Avenue and Grimes
Canyon Road would have to be raised about four feet.
With all this work, it is staff's opinion that this
alternative would not address the impact of truck traffic
through the city. Almost 100% of trucks turning from
Moorpark Avenue to Los Angeles Avenue turn left to access
the freeway. Even if Grimes Canyon Road were a designated
State Highway, most trucks would continue to use Walnut
Canyon Road, unless truck restrictions were imposed. Even
if truck restrictions were successfully imposed, this
alignment would approximately double the length that trucks
would have to travel through the city along Los Angeles
Avenue to access the freeway.
It is staff's opinion that, based on the analysis, the best long
term alignment for State Route 23, in the absence of freeway
bridges, is the Spring Road alignment.
STAFF RECObOONDATION
Direct staff to proceed with development of Spring Road as a
future alignment for State Route 23.
Attachments:
1. Alternative 3 alignment
2. Alternative 4 alignment
000008
Alternative 3
Broadway /Los Angeles Avenue Connection
Broadway
CC ATTACHMENT 1
00000►
Alternative 4
Walnut Canyon /Spring Road /Los Angeles Avenue Connection
Broadway
1
CC ATTACHMENT 2
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