Here is contact information for some relevant people:

Firstly, here is a link to the City of Berkeley Home Page: http://www.ci.berkeley.ca.us/. That Web site will likely have more current contact information than below. I suggest treating this information as advisory but checking with the main City of Berkeley Web site for up-to-date information:

Director of Public Works 
Rene Cardinaux 
2201 Dwight Way 
Berkeley, CA 94704 
665-3439 
RCardinaux@ci.berkeley.ca.us
(Rene is the top man there, and oversee's the Division of Traffic and Engineering)
Here is the Web page for the Berkeley Public Works Department:
http://www.ci.berkeley.ca.us/PW/
with Rene's picture prominently displayed.

Public Works Public Relations
Virginia Vafa
Phone: 665-3440
e-mail: VVafa@ci.berkeley.ca.us

Project Engineer for College Ave Re-paving
Glenn Carloss
Phone: 665-3446
e-mail: gcarloss@ci.berkeley.ca.us

Acting Supervising Traffic Engineer
Reh-Lin Chen, P.E.
Phone: 981-6403
e-mail: RChen@ci.berkeley.ca.us
(replaces Chuck Deleu, who is now retired and a consultant to the city, and
Jeff Knowles who quit to go work in the tri-valley area)

Chuck Deleu's email address is:
CHD1@ci.berkeley.ca.us

City Manager
Weldon Rucker
Web page: http://www.ci.berkeley.ca.us/manager/
Phone: 981-7000
e-mail: manager@ci.berkeley.ca.us

Assistant City Manager for Transportation
Peter Hillier
e-mail: PHillier@ci.berkeley.ca.us

Mayor Shirley Dean:
e-mail: dean@ci.berkeley.ca.us
Web page: http://www.ci.berkeley.ca.us/Mayor/
1900 Addison Street
Berkeley, CA 94704
510-644-6484 (phone)
510-644-6255 (fax)

Executive Assistant to Mayor Dean:
Tamlyn Schafer-Bright
Phone: 644-6484
e-mail: TBright@ci.berkeley.ca.us

Kriss Worthington District 7:
email: worthington@ci.berkeley.ca.us
Web page: http://www.ci.berkeley.ca.us/council7/
1900 Addison Street
Berkeley, California 94704
Phone: (510) 644-6398

Polly Armstrong District 8:
e-mail: armstrong@ci.berkeley.ca.us
Web page: http://www.ci.berkeley.ca.us/council8/
1900 Addison Street
Berkeley, California 94704
Phone: (510) 644-6401

Berkeley Police
Lt. Stan Muller
e-mail: smuller@ci.berkeley.ca.us
Phone: 644-6045
(Stan oversee's the radar and traffic enforcement officers, this is who to
call if you see speeding, enforcement issues, road-rage, etc...)

Contact Jed Donnelley Jed Donnelley for communication about this Web page.