HELIX Environmental Planning has prepared desktop environmental constraint analyses for segments of 16 potential high speed rail alignment corridors extending between the cities of Los Angeles and San Diego, including portions of San Diego, Riverside, San Bernardino,...
HELIX was awarded a three-year multi-disciplinary contract with Caltrans District 11 to provide environmental, biological, and cultural resources services, with a maximum contract value of approximately $4.4 million. HELIX also previously served as the sole as-needed...
HELIX Environmental Planning has provided environmental services for five segments of the Bayshore Bikeway, a regional bicycle corridor that will ultimately extend approximately 24 miles around San Diego Bay in the County of San Diego. Once completed, the Bayshore...
HELIX Environmental Planning prepared a Programmatic Environmental Impact Report (PEIR) for an update to the City of San Diego’s existing Bicycle Master Plan. The update more than doubled the number of miles of bicycle facilities and increased the total length...
Working with a local engineering firm, HELIX is conducting environmental compliance studies in support of CEQA/NEPA documentation for two bridge replacement projects in Calaveras County (Caltrans District 10). HELIX prepared the draft Preliminary Environmental Study...
HELIX Environmental Planning (HELIX) conducted technical analysis focused on mobile-source greenhouse gas (GHG) emissions for an infill development project proposed by the City of National City. The proposed project would consist of constructing 92 residential units,...
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