Description: Description: Description: Description: Description: Description: Description: Description: Expo Daylight.jpgConservation, Recreation, Education And Transportation Expo Greenway

Dean Howell’s Expo Greenway Thesis

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Description: Description: Description: Description: Description: Description: Description: Description: LocationSmall.jpgApril 2012 Final Concept Report on the Westwood Neighborhood Greenway (aka Westwood-Expo Botanical Water Garden) between Westwood Boulevard and Overland Avenue in West Los Angeles. 

Key dates:

June 2013Groundbreaking when Expo Construction Authority installs culverts to connect north and south streams beneath the train tracks. 

August 2012 – Mayor Villaraigosa puts Expo Greenway on the map in his 50 Parks Initiative.  Los Angeles Bureau of Sanitation director Enrique Zaldivar requests coordination of culvert construction under Phase II Expo. 

June 2012 – Los Angeles Bureau of Sanitation’s Watershed Protection Division (WPD) confirms funding for culverts beneath Expo Light Rail tracks connecting north and south Greenway streams.  Bureau of Engineering (BOE) civil engineer Curtis Tran, manager of MTA Plan Review and Coordination Group, Streets & Stormwater Division (which is responsible for review and approval of Expo Phase II design plans within the City of Los Angeles) coordinates arrangement whereby Expo will construct the culverts and Sanitation will fund them. 

September 2011 – Los Angeles Bureau of Sanitation’s Watershed Protection Division (WPD) engineer Ryan Thiha makes PowerPoint presentation to Ballona Creek Watershed Task Force.

March 18, 2011Expo Board unanimously chooses the "no-parking" option for Expo Light Rail’s Westwood station.  Within days, Los Angeles City Councilmember Paul Koretz asks the WPD to provide him with an Expo Greenway proposal. 

Click the links below to find out how the Westwood-Expo Botanical Water Garden can meet all four of the Expo Greenway Goals:

Conservation:  Ballona Creek’s “tributaries” cross the ROW, where water can be cleaned while sustaining a restored native plant ecosystem.  The Botanical Water Garden would divert dry‐weather flow (spring water, mixed with urban runoff) from the Overland Avenue storm drain to treat up to 4000 acres dry-weather runoff.  Diverted water will be lifted to the stream on the south side of the Expo light rail (South Stream), and run through a culvert under the tracks to the north side (North Stream).  During the 3-4 hours of being liberated from the storm drain, water would be cleaned through physical and biological treatment, as it flows through various plant communities and soil media and is exposed to the Sun’s ultraviolet light. 

Recreation:  A class 1 bike path, with separate spaces for bicyclists and pedestrians, is approved and funded for the north side of the railroad tracks, traversing from Palms Park (with Palms Child Care Center, Palms Recreation Center, and the Palms-Rancho Park Library) westward to Sepulveda Boulevard.  The Botanical Water Garden’s south side would also include a decomposed granite and grassy walkway between Overland Avenue and Westwood Boulevard, where visitors could enjoy carefully selected native plants.

Education:  Project elements include educational and interpretive signs about local ecology and hydrology, offering a rich outdoor education laboratory for Overland Avenue Elementary School children (across the street) and for those within reach of Expo Light Rail.  In a preliminary plan approved by the Los Angeles City Council, Expo Greenway would host an outdoor classroom.


Transportation:  On March 18, 2011, the Expo Board of Directors awarded a contract to Skanska/Rados to design and build Phase 2 of the Expo Line from Culver City to Santa Monica.  Engineering and design work have begun, including the Westwood station serving the Westwood-Expo Botanical Water Garden.  Operation of Expo is projected to begin in 2015. 



Together, we can CREATE Expo GREENWay!