Environmental Compliance

Marin Sonoma Narrows Phase A1 MMP Project | Sonoma County, California

Photo Points GIS Map
Photo Points GIS Map
Client:
Caltrans District 4
Project Description:
The purpose of the Marin Sonoma Narrows Phase A1 Project is to provide various interchange and frontage road improvements and widening of US 101 between the Petaluma River Bridge in the City of Petaluma to south of the US 101/State Route 37 interchange in the City of Novato, Sonoma County. Phase A1 of the overall 16.1 mile project accounts for an approximately 3.7-mile segment of US 101, bounded by Atherton Avenue to the north and 0.7 miles south of the US 101/State Route 37 interchange to the south.

For the project, WRECO is assisting Caltrans District 4 in photo-documentation and preparing a technical memo of pre-construction conditions for monitoring and mitigation of the project impacts to meet the conditions of the 401 Water Quality Certification and the 1602 Lake or Streambed Alteration Agreement.
Key Tasks:
Pre-construction Photo-documentation, GIS Mapping and Technical Memo
Pre-construction Conditions
Pre-construction Conditions
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