ALA & CC Concrete Barrier & MGS

Summary

SCH Number
2020060288
Lead Agency
Caltrans, District 4 - Bay Area/Oakland (California Department of Transportation, District 4)
Document Title
ALA & CC Concrete Barrier & MGS
Document Type
NOE - Notice of Exemption
Received
Posted
6/15/2020
Project Applicant
California Department of Transportation
Present Land Use
Caltrans R/W

Document Description
The purpose of this project is to construct concrete barrier, double thrie beam barrier, and Midwest Guardrail System as upgrade end treatments and crash cushions to comply with Manual for Assessing Safety Hardware (MASH) standards to improve safety by reducing colission severity and reduce to potential of run-off road accidents at four locations identified by the Office of Traffic Safety. The Office of Traffic Safety has identified four locations that need standard roadside safety systems to reduce collision severity and reduce run off road accidents. At location 1, the existing bent columns are unprotected fixed objects that are creating blunt end conditions for motorists traveling along West Grand Line Road in both directions at both eastbound and westbound I-580 Grand Line Undercrossing structures. Existing metal beam guard railing do not meet current safety standards within the project limits at locations 2 and 3. Location 4 has a total accident rate (fatal and fatal + injury) that is two times the average for a similar ramp facility. List of Locations: Location 1: 04-ALA580 PM R1.48 Grant Line Road Underscrossing - West Grant Line Road Location 2: 04-CC-680 PM R4.18 NB I-680 Onramp from Crow Canyon Road Location 3: 04-CC-160 PM 0.00 Victory Highway Separation Location 4: 04-CC-680 PM 24.12 NB I-680 Offramp to Waterfront Road

Contact Information
Wahida Rashid
California Department of Transportation
111 Grand Ave
Oakland, CA 94612

Phone : (925) 286-5935
wahida.rashid@dot.ca.gov

Location

Counties
Alameda Contra Costa
Other Location Info
Location 1: 04-ALA580 PM R1.48 Grant Line Road Underscrossing - West Grant Line Road Location 2: 04-CC-680 PM R4.18 NB I-680 Onramp from Crow Canyon Road Location 3: 04-CC-160 PM 0.00 Victory Highway Separation Location 4: 04-CC-680 PM 24.12 NB I-680 Offramp to Waterfront Road

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15301(f)
Reasons for Exemption
Addition of safety or health protection devices for use during construction of or in conjunction with existing structures, facilities, or mechanical equipment, or topographical features including navigational devices.

Attachments

Notice of Exemption
NOE   PDF 162 K

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