The Circulation Plan provides directives intended to promote
the efficient and safe movement of people and goods within the North
101 Corridor Specific Plan Area. In addition, it establishes policies
and programs which will ensure that all components of the transportation
system meet the future transportation needs of the City.
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Street improvements for various streets and alleyways located within the specific plan area are proposed. These improvements will be in addition to the improvement concepts outlined in the Streetscape Concepts of the Specific Plan (Chapter 4).
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Transit facilities, provided by the North County Transit District
(NCTD), serve the specific plan area.
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Improvements to the bikeway system/network are identified in
order to address deficiencies located throughout the specific plan
area.
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Pedestrian circulation is addressed within the specific plan
area with particular emphasis placed on traffic patterns related to
the commercial districts.
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The circulation discussion below reviews existing circulation
patterns, the level of service for intersections and proposed street
improvements for the streets and alleyways located within the specific
plan area.
5.2.1
CIRCULATION STUDY
The Encinitas Traffic Analysis Model (ETAM), originally developed
to support the production of the Circulation Element of the City's
General Plan, has been refined to focus on the specific plan area.
The ETAM has analyzed the traffic circulation patterns and intersection
levels of service within the specific plan area relative to the following:
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Previous land uses
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Projected land uses which result from complete buildout conditions
associated with current zoning
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Land uses projected as a result of the adoption of the North
101 Corridor Specific Plans and associated street improvements
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The circulation model measures the flow of traffic at
several strategic intersections located throughout the specific plan
area. The unit of measurement used to describe the quality of flow
through the intersection is Level of Service (LOS). The LOS is the
ratio of an intersection's traffic volumes (existing or forecasted)
to its design capacity. For the various intersections, there are six
levels of service: A, B, C, D, E, and F. The level of service for
intersections is defined by criteria based on the average stop delay
per vehicle. Level of Service A represents very little delay (stop
delay per vehicle of less than approximately 5 seconds). Level of
Service F indicates significant delay (stop-delay per vehicle exceeding
60 seconds).
The analysis of the existing circulation system based upon current
land uses (1990) indicates that the Level of Service for various intersections
located within the specific plan area is LOS A, B, or C in both the
a.m. and p.m. peak hour flow conditions. These values are consistent
with the goals for Level of Service criteria outlined in the City
of Encinitas General Plan.
The circulation model indicates that two intersections within
the North 101 Corridor Specific Plan area are deficient under both
the previous zoning buildout conditions and the land uses projected
by the specific plan (See Table 5-1). The lane configurations used
to determine the levels of service are consistent with the geometrics
outlined in the City of Encinitas General Plan.
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Table 5-1 Level of Service - Within Specific Plan Boundary
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Intersection
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Level of Service
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General Plan Land Uses
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Specific Plan Land Uses
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a.m.
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p.m.
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a.m.
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p.m.
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North Highway 101 and La Costa Avenue
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C
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E
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D
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E
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North Vulcan Avenue and La Costa Avenue
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A
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D
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A
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D
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Two additional intersections located outside of the
specific plan area boundary experience a deficient level of service
due to the circulation patterns resulting from the specific plan land
uses (see Table 5-2). The lane configurations used are consistent
with the geometrics outlined in the City of Encinitas General Plan.
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Table 5-1 Level of Service - Within Specific Plan Boundary
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Intersection
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Level of Service
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General Plan Land Uses
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Specific Plan Land Uses
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a.m.
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p.m.
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a.m.
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p.m.
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SB I-5 Ramp/Leucadia Boulevard
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E
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E
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D
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E
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Piraeus/NB I-5 Ramp/Leucadia Boulevard
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D
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D
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D
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D
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5.2.2
MITIGATION
The Circulation Element of the City of Encinitas General Plan
identifies two policies regarding acceptable level of service standards:
Policy 1.2: Endeavor to maintain level of service C as a basic
design guideline for the local system of roadways understanding that
the guideline may not be attainable in all cases.
Policy 1.3: Prohibit development which results in level of service
E or F at any intersection unless no alternatives exist and an overriding
public need can be demonstrated.
Through the application of these policy statements, the following
recommendations for intersection mitigation are offered.
A.
North
Highway 101/La Costa Avenue Intersection
The ETAM indicates that the northbound Highway 101 through movement
and the southbound Highway 101 left-turns are critical. These traffic
movements are conflicting and the resulting impact creates an anticipated
level of service which is unacceptable under the land uses projected
by the specific plan.
North Highway 101 is identified in the City of Encinitas General
Plan as a four-lane major arterial and La Costa Avenue is designated
a four-lane collector. The existing intersection lane configurations
are inadequate to accommodate the amount of traffic anticipated at
buildout under the specific plan. With the construction of the recommended
lane configurations shown in Figure 5-A, the level of service for
the North Highway 101/La Costa Avenue intersection improves from LOS
D (a.m.) and LOS E (p.m.) to LOS A (a.m.) and LOS B (p.m.) at buildout
under the specific plan.
B.
North
Vulcan Avenue/La Costa Avenue Intersection
The ETAM results show that eastbound and westbound Vulcan Avenue
through volumes are critical. The level of service predicted is relative
to the existing lane configurations, which are inadequate to accommodate
the amount of traffic anticipated at buildout under the specific plan.
La Costa Avenue is identified by the Circulation Element of the City
of Encinitas General Plan as a four-lane collector. With the construction
of the recommended lane configurations shown in Figure 5-B, the level
of service for the North Vulcan Avenue/La Costa Avenue intersection
improves from LOS A (a.m.) and LOS D (p.m.) to LOS A (a.m.) and LOS
A (p.m.) at buildout under the specific plan.
C.
SB
I-5 Ramp/Leucadia Boulevard and Piraeus/NB I-5 Ramp/Leucadia Boulevard
Intersections
The design of the improvements to these intersections is currently
underway. Improvements include Leucadia Boulevard as a four-lane facility,
with turn lanes within the area influenced by the I-5 freeway ramps.
The improvements start approximately 300 to 400 feet east of the northbound
I-5 ramps and continue westward to approximately 300 to 400 feet west
of the southbound I-5 ramps. Construction of the improvements is expected
to start in 1998, with completion scheduled for 1999. With the completion
of these improvements the southbound I-5 Ramp/Leucadia Boulevard and
the Piraeus/NB I-5 Ramp/Leucadia Boulevard intersections will operate
at acceptable levels of service.
5.2.3
STREET IMPROVEMENTS
Standards for the improvement of streets and roadways located
within the North 101 Corridor Specific Plan are provided below. On-street
parking may be restricted, as deemed necessary by the City Engineer,
to provide for safe travel on narrow roads, and sight distance and
turning movements at intersections and driveways. These standards
shall apply only to that portion of the below listed streets located
within the boundaries of the North 101 Corridor Specific Plan.
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Table 5-3
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Streets and Roadways
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ROW Width
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"A" Street
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80' (figure 5-F)
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Andrew Avenue
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50' (figure 5-H)
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Ashbury Street
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50' (figure 5-H)
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Athena Street
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40' (figure 5-J)
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Avocado Street
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40' (figure 5-J)
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Basil Street
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45' (figure 5-I)
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Cadmus Street
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40' (figure 5-J)
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Daphne Street
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40' (figure 5-J)
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Diana Street
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40' (figure 5-J)
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El Portal Street
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50' (figure 5-H)
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Europa Street
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40' (figure 5-J)
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Glaucus Street
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50' (figure 5-H)
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East Glaucus Street
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50' (figure 5-H)
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Grandview Street
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56' (figure 5-G)
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Hillcrest Drive
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50' (figure 5-H)
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Jason Street
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40' (figure 5-J)
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East Jason Street
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50' (figure 5-H)
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Jasper Street
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40' (figure 5-J)
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Jupiter Street
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50' (figure 5-H)
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La Costa Avenue
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84'
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La Veta Avenue
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50' (figure 5-H)
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Leucadia Boulevard (West)
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56' (figure 5-G)
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Leucadia Boulevard (East)
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92'-101'
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Marcheta Street
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50' (figure 5-H)
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Melrose Avenue
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40' (figure 5-J)
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North Court
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50' (figure 5-H)
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North Highway 101
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90' (figure 5-C)
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Orpheus Avenue
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56' (figure 5-G)
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Phoebe Street
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40' (figure 5-J)
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Sanford Street
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50' (figure 5-H)
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Second Street
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80' (figure 5-F)
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Sunset Drive
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40' (figure 5-J)
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Union Street
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50' (figure 5-H)
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North Vulcan Avenue
North of Union
South of Union
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55' (figure 5-D)
50' (figure 5-E)
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A.
Alleyways
The existing alleyways located within the North 101 Corridor
Specific Plan area are contained within 15-foot and 20-foot right-of-way
widths.
The alleyway located north of El Portal Street and between La
Mesa Avenue and La Veta Street is contained within a 15-foot right-of-way
width. This alleyway should be improved as shown in Figure 5-K. The
entire width of the right-of-way should be paved and a concrete valley
gutter should be installed along the centerline to facilitate drainage.
The remaining alleyways located within the plan area are contained
within a 20-foot right-of-way width. These alleyways should be improved
as shown on Figure 5-K. The entire right-of-way width should be paved
and a concrete valley gutter should be installed along the centerline
to facilitate drainage.
B.
Controlled
Intersections
Signalized intersections within the plan area are at the following
locations:
1.
North Highway 101/La Costa Avenue
- Recommended improvements are described in Section 5.2.2
2.
North Highway 101/Leucadia Boulevard
- No additional improvements are recommended
3.
North Vulcan Avenue/Leucadia Boulevard
- No additional improvements are recommended
No additional signals are warranted at this time.
Three-way stop sign control is currently installed at the intersection
of North Highway 101 and Marcheta Street. No other controlled intersections
are planned or appear warranted at this time. For pedestrian safety
purposes any proposed marked pedestrian crosswalks should be installed
only at controlled intersections. Note below that a marked pedestrian
crosswalk is planned at Grandview and North Highway 101. The City
Engineer may propose, and the Traffic Commission and the City Council
may approve new, relocated or modified signalized or controlled intersections
in the future.
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Figure 5-A
North Highway 101/La Costa Avenue Intersection Recommended
Lane Configuration
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Figure 5-B
North Vulcan Avenue/La Costa Avenue Intersection Recommended
Lane Configuration
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Figure 5-C
North Highway 101 - 90-Foot Proposed Right-of-Way
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Note: Variation in right-of-way width and specific roadway improvements
will occur within North Coast Highway 101 as set forth in the Policy
6.8 of the Circulation Element of the General Plan/Certified Land
Use Plan. As part of the variation, the number of travel lanes may
be reduced as long as the operational characteristic of the intersections
are adequate.
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Figure 5-D
North Vulcan Avenue - North of Union Street 55-Foot Proposed
Right-of-Way
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Figure 5-E
North Vulcan Avenue - South of Union Street 50-Foot Proposed
Right-of-Way
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Figure 5-F
"A" Street/Second Street
80-Foot Proposed Right-of-Way
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Figure 5-G
Grandview Avenue/Leucadia Boulevard (West)/Orpheus Avenue
56-Foot Proposed Right-of-Way
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Figure 5-H
Andrew Avenue/Ashbury Avenue/El Portal Street/East Glaucus
Street/Glaucus Street/Hillcrest Drive/East Jason Street/Jupiter Street/La
Veta Avenue/Marcheta Street/North Court/Sanford Street/Union Street
50-Foot Proposed Right-of-Way
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Figure 5-I
Basil Street
45-Foot Proposed Right-of-Way
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Figure 5-J
Athena Street/Avocado Street/Cadmus Street/Daphne Street/
Diana Street/Europa Street/Jason Street/Jasper Street/Melrose Avenue/Phoebe
Street/Sunset Drive 40-Foot Proposed Right-of-Way
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Figure 5-K
Alleyway
15/20-Foot Proposed Right-of Way
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(Ord. 2018-05; Ord. 2018-16)
The Circulation Element of the City of Encinitas General Plan
contains several policies regarding the utilization of alternative
modes of transit. These policies are incorporated into various sections
of the North 101 Corridor Specific Plan.
The planned transit facilities within the North 101 Corridor
Specific Plan Area are primarily bus transit services. The plan area
is currently served by the North County Transit District (NCTD).
Corridor Route 301 provides bus service northward on North Highway
101 to the Oceanside Transit Center and southward on North Highway
101 to University Towne Center. Local Route 361 is strictly an Encinitas
route. This bus route traverses throughout the City and services the
plan area on North Vulcan Avenue.
The recommended bikeway system within the plan area consists
of a combination of a Class I bike path and Class II bike lanes. The
predominantly used bike route within the plan area is the North 101
Corridor.
Recommendations:
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Provide a multi-modal recreational path within the railroad
right-of-way east of North Highway 101 (see Section 4.7 Streetscape
Concepts). This facility will be designed as a Class I bicycle path.
This bike path will replace the existing inadequately designed Class
I facility generally located along North Highway 101 and El Portal
Street.
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Provide a Class II bike lane along the northbound and southbound
lanes of North Highway 101 (see Section 4.7 Streetscape Concepts).
A bike lane will be provided along the south-bound travel lanes and
parallel parking will be permitted on the west side of North Highway
101. A bike lane will also be provided along the northbound travel
lanes and no curbside on-street parking will be permitted along the
east side of North Highway 101. Note that the parking alcoves along
the east side of Highway 101, which are included in the streetscape
concept, will be allowed and shall be designed to accommodate the
Class I bike path within the railroad right-of-way and the Class II
bike lane along North Highway 101.
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Provide a Class II bike lane along the northbound and southbound
travel lanes of North Vulcan Avenue. On-street parking will be permitted
on the east side of North Vulcan Avenue (see Section 4.7 Streetscape
Concepts).
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The recommended bikeway system within the plan area is consistent
with facilities outlined in the Circulation Element of the City of
Encinitas General Plan, and the Master Bikeway Plan and Engineering
Feasibility Study for the City of Encinitas (MBP) prepared by Barton-Ashman
Associates, Inc., November 1990.
5.5.1
RECOMMENDATIONS:
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Create a safe, convenient circulation network
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Ensure sensitivity to the needs of the handicapped
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Accommodate safe pedestrian facilities adjacent to and crossing
the railroad
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Provide adequate spacing between pedestrian and vehicular facilities
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Promote pedestrian access to coastal areas
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Along North Highway 101, the existing sidewalk along
the western edge is to remain. At those locations where no sidewalk
exists, a minimum eight-foot wide decorative sidewalk shall be installed.
A multi-modal recreational path, designed as a Class I bicycle path
will be provided along the east side of North Highway 101, within
the railroad right-of-way. The linear park streetscape concept incorporates
this facility, (see Section 4.7 Streetscape Concepts).
5.5.2
MARKED PEDESTRIAN CROSSWALKS ON NORTH HIGHWAY 101
Marked pedestrian crosswalks should be installed and/or continue
in use at the following intersections:
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La Costa Avenue
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Grandview Street
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Leucadia Boulevard
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Marcheta Street
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Additional marked pedestrian crosswalks may be installed
in the future, as recommended by the City Engineer, and as approved
by the Traffic Commission and City Council. Crosswalk warning signs
should be provided in advance of all marked pedestrian crosswalks.
Parking alcoves as shown in the Streetscape Concepts of the
specific plan (see Section 4.7 Streetscape Concepts) may be installed
at Marcheta Street, Leucadia Boulevard, Grandview Street, and La Costa
Avenue intersections. For pedestrian safety purposes any proposed
parking alcoves and their associated pedestrian crossings should generally
be installed only at controlled intersections.
