metro.net/works For many years the communities of Silver Lake and Echo Park have experienced di;culties navigating in and around the Glendale Freeway, State Route (SR-2) terminus. Plans to connect the SR-2 Freeway with the Hollywood Freeway (US-101) were rescinded following local stakeholder opposition. The resulting halt of construction led to the present SR-2 terminus location near Glendale Bl and Duane St. Over the years this area has grown increasingly congested, especially along Glendale Bl and Alvarado St. Recognizing the need to improve safety at the SR-2 terminus area and better manage the tra;c flow, the Los Angeles County Metropolitan Transportation Authority (Metro), in cooperation with the California Department of Transportation (Caltrans) and City of Los Angeles Project Overview State Route 2 Terminus Improvement Project Department of Transportation (LADOT) worked on a number of studies to assess potential solutions for the SR-2 Terminus area. The most recent environmental study evaluated five alternatives from which a Hybrid Alternative was developed and subsequently adopted in 2010 as the preferred alternative. Since that time, the agencies have worked with local legislative o;ces to identify and secure funding to upgrade the immediate area surrounding the terminus at the SR-2 and Glendale Bl. At this time, Caltrans is developing the final designs for the Hybrid Alternative, which has been divided into three phases for funding and construction purposes. The SR-2 Terminus Improvement Project’s Hybrid Alternative The Hybrid Alternative focuses on developing a balanced transportation system that better serves local and regional transportation needs through: (1) improved management of tra;c flow, (2) enhanced accessibility and safety, (3) minimized cut-through tra;c for local neighborhoods and (4) the development of a freeway terminus design that is compatible with existing residential and commercial uses in the immediate vicinity. For funding and construction reasons, implementation of the Hybrid Alternative has been separated into three distinct phases (Phase 1A, Phase 1B and Phase 2). This approach ensures delivery of the improvements as quickly as possible. winter 2013
Transcript
metro.net/works
For many years the communities of Silver Lake and Echo Park have experienced di;culties navigating in and around the Glendale Freeway, State Route (SR-2) terminus. Plans to connect the SR-2 Freeway with the Hollywood Freeway (US-101) were rescinded following local stakeholder opposition. The resulting halt of construction led to the present SR-2 terminus location near Glendale Bl and Duane St. Over the years this area has grown increasingly congested, especially along Glendale Bl and Alvarado St.
Recognizing the need to improve safety at the SR-2 terminus area and better manage the tra;c flow, the Los Angeles County Metropolitan Transportation Authority (Metro), in cooperation with the California Department of Transportation (Caltrans) and City of Los Angeles
Project Overview
State Route 2 Terminus Improvement Project
Department of Transportation (LADOT) worked on a number of studies to assess potential solutions for the SR-2 Terminus area. The most recent environmental study evaluated five alternatives from which a Hybrid Alternative was developed and subsequently adopted in 2010 as the preferred alternative. Since that time, the agencies have worked with local legislative o;ces to identify and secure funding to upgrade the immediate area surrounding the terminus at the SR-2 and Glendale Bl. At this time, Caltrans is developing the final designs for the Hybrid Alternative, which has been divided into three phases for funding and construction purposes.
The SR-2 Terminus Improvement Project’s Hybrid Alternative
The Hybrid Alternative focuses on developing a balanced transportation system that better serves local and regional transportation needs through: (1) improved management of tra;c flow, (2) enhanced accessibility and safety, (3) minimized cut-through tra;c for local neighborhoods and (4) the development of a freeway terminus design that is
compatible with existing residential and commercial uses in the immediate vicinity. For funding and construction reasons, implementation of the Hybrid Alternative has been separated into three distinct phases (Phase 1A, Phase 1B and Phase 2). This approach ensures delivery of the improvements as quickly as possible.
winter 2013
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Glendale Bl sidewalk will be re-landscaped to improve its appearance. The list below includes a complete list of improvements. Final design for Phase 1B is concurrent with Phase 1A. Due to its more complex scope of work, construction is anticipated to begin in winter 2014/2015 and finish in Spring 2016. Phase 1B is fully funded and is in Final Design and Engineering phase. Improvements include:
mainline/freeway traffic calming measures> Install a meter before the SR-2 southbound flyover ramp
to help slow down tra;c coming o= the freeway> Place additional vehicle feedback sign near the end of the
SR-2 southbound flyover
glendale bl improvements> Install ornamental street lights on Glendale Bl from
Branden St to Waterloo St> Replace existing channelizers > Extend existing median on Glendale Bl with channelizers
to Allesandro St
landscaping improvements> Crescent-shaped area bound by flyover ramp and Glendale Bl> Vines on retaining walls and soundwalls
pedestrian improvements> Sidewalk improvements from Waterloo St to Branden St> Widen sidewalk on west side of Glendale Bl from
Allesandro St to retaining wall> Repair or create ADA ramps on the intersections of
Glendale Bl and Fargo St, Waterloo St, Allesandro St, Cli=ord St and Branden St
> Enhanced crosswalk installation on Glendale Bl intersections of Waterloo St/Fargo St and Allesandro St
> Replace lighting under the Glendale Bl bridge
soundwall improvements > Adjacent to the northbound side of the SR-2, from Oak Glen
Place to Loma Vista Place. The soundwall will be approximately 10 feet tall. (NB2)
> Edge of the freeway shoulder adjacent to the northbound side of SR-2, from south of Loma Vista Place to north of El Moran Way. The soundwall will be approximately 10-12 feet tall. (NB3)
phase 2 Phase 2 improvements have been identified and could be implemented if and when funding is secured. In an e=ort to balance the importance of reducing cut through tra;c with the unintended consequences of restricting access to the area east of Allesandro St, the Project Team will revisit tra;c movements during the final design of Phase 2. At that time, additional public meetings may be held to identify the best solutions. Improvements under consideration include:
> Relocate the existing SR-2 southbound o=-ramp east (adjacent to northbound on-ramp)
> Demolish southbound o=-ramp and rough grade area for future City Recreation and Parks Project
> Add new sidewalks and restriping on Glendale Bl to channelize the o=-ramp tra;c
> Restripe southbound SR-2 lanes to I-5 interchange> Extend landscaped area between the northbound on-ramp and
the proposed new southbound o=-ramp> Construct barrier wall
phase 1a Phase 1A will deliver safety related improvements that include the replacement of mainline signage, tra;c and pedestrian improvements. Final Design and construction for this particular phase were completed in November 2013. Improvements include:
mainline/freeway signage improvements > Modify flashing beacon, south of the I-5/SR-2 interchange
Upgrade all freeway sign panels from I-5 to terminus
traffic improvements > Refresh striping on Glendale Bl from Waterloo St
to Branden St > Place vehicle feedback sign approaching the SR-2
southbound flyover
phase 1b Phase 1B components consist of a wide variety of improvements that include mainline tra;c calming measures, soundwall construction, Glendale Bl tra;c and pedestrian improvements, and landscaping improvements. The open space area between the flyover ramp and the back of the
Project Status
Project Status
enhancing accessibility and safety at the sr-2 terminus with pedestrian amenities/improvements
Pedestrian improvements and amenities have been included in the Final Design of the project. This will result in enhanced accessibility, improved walkability and safety in the vicinity of the SR-2 terminus. These improvements are incorporated into Phases 1A and 1B, with the majority of improvements occurring in Phase 1B.
As part of Phase 1B, the current lighting under the Glendale Bridge will be replaced with bulbs that make the area brighter and more inviting to pedestrians. Additional pedestrian amenities in Phase 1B include widening of the sidewalk on the west side of Glendale Bl, from Allesandro St to the retaining wall, and repairing and/or installing new sidewalk ramps at the intersections of Glendale Bl and Fargo St, Waterloo St, Allesandro St, Cli=ord St, and Branden St.
The new sidewalk reconstruction on Glendale Bl from Fargo St to Branden St will ensure compliance with the Americans with Disability Act (ADA) standards. Enhanced crosswalks, which have been proven to be more effective than colored concrete crosswalks, will be installed at intersections along Glendale Bl at Waterloo St/Fargo St, Allesandro St, Cli=ord St and Branden St. Areas along the sidewalk will be cleaned up and improved through the removal of dead brush and debris and the potential planting of a tree in the empty tree bucket on Glendale Bl and Allesandro St (per approval by business owner).
protecting local wildlife in the sr-2 terminus: hawks and raptorsThe Department of Fish and Game has identified over 30 species of raptors or “birds of prey” that inhabit California, including the hawks that have been spotted in the project area. Caltrans biologists will review the project area prior to construction to ensure the safety of raptor nests in any trees
slated for removal. In the event that raptor nests are found, provisions will be made to ensure their safety in compliance with Department of Fish and Game protocols and guidelines. Scheduling construction around the nesting period, limiting construction within 500 feet of a raptor nest and protecting the nest in place are among the mitigations that will be used to ensure protection of raptors in the area.
beautifying the sr-2 terminus with familiar landscaping conceptsLandscaping will both improve the aesthetic look of the area around the Terminus and signal to drivers coming o= the freeway that they are leaving the freeway and entering a community. The slope, or crescent-shaped area, between Glendale Bl and the flyover ramp will be re-landscaped with low maintenance and drought resistant plants. Potential colorful plant options include Western redbud trees (brilliant display of pink flowers in the spring) and agave. A rock treatment will also replace the current asphalt material on the Glendale Bl raised median. Vines such as the red trumpet and Boston Ivy will drape over the retaining walls at the north end of the crescent and on the retaining wall near the Northbound SR-2 freeway entrance. The hardscape and landscape improvements will certainly improve the aesthetic look of the area, as well as give it a uniform look that is compatible with the existing uses in the area.
When landscaping along the mainline, Caltrans will make every e=ort to preserve the existing trees when sound wall construction begins. Should trees need to be removed, Caltrans has a 1 to 1 tree replacement policy. The policy ensures that for every tree removed a new tree will be planted.
SR-2 Terminus Highlights
Next Steps
The SR-2 Terminus Improvement Project is a multi-agency e=ort well supported by local, state and federal elected leadership. Metro, Caltrans and LADOT, will continue to work together through the construction of Phase 1A (December 2013) and Phase 1B Final Design (February 2014). After February 2014, Caltrans will lead the outreach and construction of Phase 1B as well as Phase 2 once funding is secured.
Architectural rendering of proposed landscaping improvements
(Images are conceptual only)
SR-2 Soundwall Basics
What are soundwalls?Simply put, soundwalls are noise barriers constructed from a solid material such as masonry block. They are normally built between the freeway and residential property to reduce tra;c noise and are typically between 8 to 16 feet in height. For the SR-2 Terminus project, the soundwalls will range from 10 to 12 feet in height.
What triggers a noise study to consider soundwalls?All projects that impact future tra;c patterns are evaluated for potential noise impacts on the community as part of the project development process. For the SR-2 project, a Noise Study Report was completed in 2008, as a result of which six soundwalls were considered and evaluated based on Caltrans 2006 Tra;c Noise Analysis Protocol.
What are the criteria used to warrant a soundwall?Soundwalls are only warranted if they are able to pass the following criteria:> Proposed freeway/highway improvements are located along
existing residential properties;> Hourly exterior noise levels at the location exceed the 67
A-weighted decibels threshold;> Soundwall cost is below “reasonable allowance” as calculated
using established Caltrans criteria.
How does sound travel?Sound waves are able to bend around objects and transmit through solid materials and objects such as trees. Therefore, it is impossible to completely eliminate the noise generated by freeway tra;c. In addition, even when tra;c volumes are the same, there are many other factors that a=ect noise levels including: changes in terrain, freeway speeds, freeway surface material and motorist tires.
As illustrated in the figure, soundwalls reduce the level of freeway noise that enters a community in several ways: absorbing the sound, reflecting it back across the highway, or forcing it to take a longer path over and around the barrier. Typically, soundwalls are positioned to block the line of sight to the freeway while providing the best noise reduction to the community.
How does a soundwall work?
Decibel Thermometer
noise studies As part of the 2008 Noise Study Report and subsequent Addendum Report for the SR-2 Hybrid Alternative, a total of 49 representative noise sites were identified along the SR-2 project. These sites were selected to analyze and determine if the proposed project would result in tra;c noise impacts. To conduct the analysis, monitoring equipment was set up at 15 of these sites (13 short-term and 2 long-term) and the remaining 34 sites were modeled as receptors.
The model used for the SR-2 project is a federally mandated noise model that is used on all federally funded projects. It is calibrated for each noise site to establish a baseline which is used to predict future noise levels using projected tra;c volumes. For all noise sites showing impacts, a soundwall is then modeled using a range of 8 -16 feet to determine the most e=ective location and height and if a minimum 5 decibels noise reduction can be achieved. Once a soundwall segment was determined acoustically feasible, a reasonable cost test was applied to ensure the soundwalls identified were within the reasonable cost allowance established by Caltrans.
What soundwalls were identified in the noise study? There are six soundwalls identified in the Noise Study that were considered as part of the SR-2 project. However, through the “reasonable cost allowance” evaluation and input from impacted stakeholders, some of the soundwalls identified were eliminated. Below is a map of the six identified soundwalls.
Status of identified SR-2 soundwall projects
soundwall nb 1 Eliminated because it was not cost e=ectiveProposed at the right-of-way/top-of-slope adjacent to the northbound side of SR-2, from approximately between Fargo St and Oak Glenn Place Bridge.
soundwall nb 2 Approved for construction and supported by stakeholder voteProposed for construction at the right-of-way/top-of-slope adjacent to the northbound side of SR-2, from Oak Glen Place to Loma Vista Place. This soundwall will be approximately 400 feet long and 10 feet in height.
barrier nb 3 Approved for construction and supported by stakeholder voteProposed for construction at the edge of shoulder adjacent to the northbound side of SR-2, from south of Loma Vista Place to north of El Moran Way. This soundwall will be approximately 1,530 feet long and range from 10-12 feet in height.
soundwall sb 1 Eliminated because it was rejected by stakeholder voteProposed at the right-of-way/top-of-slope adjacent to the southbound side of SR-2, from approximately Allesandro Way to Oak Glen Place.
Soundwall sb 2 Eliminated because it was not cost-e=ectiveProposed at the right-of-way/top-of-slope adjacent to the southbound side of SR-2, from approximately Oak Glen Place to Glendale Bl.
soundwall sb 3 Eliminated due to alternative noise abatement agreement Proposed soundwall for the edge-of-shoulder along southbound Glendale Bl, adjacent to Saint Teresa of Avila School. Alternative effective noise abatement was agreed upon.
Will landscaping be replaced if removed for installation of soundwalls?To the extent possible all existing landscaping would be preserved during the installation of approved soundwalls. However, for those areas that require removal of landscaping, new trees, shrubs, vines and other appropriate aesthetic treatments would be provided.
Who is responsible for building and maintaining soundwalls along SR-2?Caltrans is the agency responsible for both construction and maintenance of soundwall projects proposed along SR-2.
This project is made possible by a $12 million federal grant provided by Congressman Xavier Becerra which includes the planning, design and construction of Phases 1A and 1B. As previously noted, while the improvements for Phase 2 have been identified, the actual funding for Phase 2 has not been secured. Metro and Caltrans will continue to consider potential funding opportunities for Phase 2. The breakdown of the cost for each phase is shown below.
phase 1a ($250,000) > Under construction
phase 1b ($8.6 million)> Estimated budget for design, right-of-way and construction> Construction slated for winter 2014/2015
