CONTACTS

Bypass Authority

Steve Kowalewski, Interim Program Manager              
Phone No. (925) 313-2225

Nancy C. Wein, Authority staff
Phone No. (925) 313-2275

Monica Sinz, Clerk Specialist

Phone No. (925) 313-2370 

Authority Staff Offices

c/o Contra Costa County Public Works Department
Fax No. (925) 313-2333
State Route 4 Bypass Authority
255 Glacier Drive
Martinez, CA 94553 

 

City of Antioch

Ron Bernal,  City Engineer
Phone No. (925) 779-7050
Fax No. (925) 779-7003
City of Antioch Engineering Department
Third and H Streets
Antioch, CA 94531

www.ci.antioch.ca.us

City of Brentwood

Bailey Grewal, City Engineer
Phone No. (925) 516-5420
Fax No. (925) 516-5421
City of Brentwood Engineering Department
708 Third Street
Brentwood, CA 94513

www.ci.brentwood.ca.us

City of Oakley

Jason Vogan, City Engineer
Phone No. (925) 625-7017
Fax No. (925) 625-9194
City of Oakley Engineering Department
3631 A Main Street
Oakley, CA 94561

www.ci.oakley.ca.us

Contra Costa County

Julia R. Bueren
Public Works Director
Phone No. (925) 313-2342
Fax No. (925) 313-2333
Contra Costa County Public Works Department
255 Glacier Drive
Martinez, CA 94553

www.co.contra-costa.ca.us

Caltrans

Allyn Amsk,  Public Information Officer
Caltrans, District 4, Office of Public Affairs
Office Phone No. (510) 286-5445  

Cell (510) 715-9931, 

Fax (510) 286-6299

111 Grand Avenue
PO Box 23660
Oakland, CA  94623-0660

www.dot.ca.gov/dist4

 

 

 

 

 

 

 

 

 

 

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