California Department of Transportation, District 4
Freeway Performance Initiative I-680 in Alameda County
FIN - Final Document
Present Land Use
This project proposes the installation of a ramp metering system for sixteen on-ramps/connectors along Route 680 in Alameda County from Scott Creek Road Undercrossing in the City of Fremont to Alcosta Boulevard Overcrossing in the City of Dublin. These on-ramps/connectors are also widened to provide for High Occupancy Vehicle (HOV) preferential lanes or additional mixed-flow lanes. There will be six retaining walls used for the widening. The project also proposes the installation of traffic monitoring stations for four connectors in the corridor.
Air QualityBiological ResourcesCultural ResourcesFlood Plain/FloodingGeology/SoilsHazards & Hazardous MaterialsHydrology/Water QualityNoise
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