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Central B - Sonoma Highway 101 HOV Lane Widening
Description: On US 101, from south of Old Redwood Highway Overcrossing to north of Pepper Road. Widen freeway from four to six lanes.

  • Project Information
  • Contacts
  • Cost by Fund Source
  • Cost by Component
  • Schedule
  • Map
  • Closeout Info
Project Location
County
 Sonoma
City
Zip Code
 
Senate District
 03
Assembly District 06
Congressional District 06
 
Caltrans District
 04
 
 
County/State Route Sonoma 101
Postmile Begin/End
Project Benefits
 Benefit Baseline Actual
Daily Travel Time Savings (hours)      965  
Lane Miles Added (HOV)      1.8  
Lane Miles Added (Mixed)      0  
Peak Period Time Savings (minutes)   965.0    70432  
 
Project Contacts Agency Contact Person Telephone E-mail
Environmental Phase
 Sonoma County Transportation Agency Betcy Joseph (510) 286-5097   betcy.joseph@dot.ca.gov
Design (PS&E) Phase
 Sonoma County Transportation Agency Betcy Joseph (510) 286-5097   betcy.joseph@dot.ca.gov
Right of Way Phase
 CalTrans Betcy Joseph (510) 286-5097   betcy.joseph@dot.ca.gov
Construction Phase
 CaTrans Betcy Joseph (510) 286-5097   betcy.joseph@dot.ca.gov
 
Corridor System Management Plan
 CalTrans Betcy Joseph (510) 286-5097   betcy.joseph@dot.ca.gov
Project Cost Baseline Summary (Dollars Shown are in Thousands) 2
  Adopted Program
(06/07/07)
a		 Approved Changes
(12/31/2023
b=c-a		 Current Approved
(12/31/2023
c
Bond Funding
CMIA
 $22,800 $-7,800 $15,000
Non-bond Funding
State/Federal*
 $0 $0 $0
Local**
 $2,220 $101 $2,321
Non Budgeted ETC
 $0 $0 $0
 
Total**** $25,020 $-7,699 $17,321

**** Totals may not add up exactly to column amounts due to rounding

# Approved is planned budget

Project Cost Baseline Summary (Dollars Shown are in Thousands)
  Adopted Program
(06/07/07)
a		 Approved Changes
(12/31/2023
b=c-a		 Current Approved
(12/31/2023
c		 Cost to Date**
(12/31/2023
d
 
Environmental
 $0 $0 $0 $0
Design(PS&E)
 $1,405 $101 $1,506 $2,900
Right of Way
 $815 $0 $815 $289
Construction
 $22,800 $-7,800 $15,000 $14,844
 
Total* $25,020 $-7,699 $17,321 $18,033

* Totals may not add up exactly to column amounts due to rounding

** Totals include all actual project funds expenditures. Cost to date expenditure variances are explained in quarterly reports and/or Close-out reports.

Project Schedule Baseline Summary
(Schedule Changes and Variances in Months) Adopted Program
(06/07/07)
a		 Approved Changes
(mm/dd/yyyy)
b		 Current Approved
(12/31/2023)
c		 % Complete
(12/31/2023)
d		 Schedule Forecast
(12/31/2023)
e		 Schedule Variance
(months)
f=c-e
Begin Environmental Phase
End Environmental Phase
 12/02/2001 
08/30/2007 		  
 		 12/02/2001 
08/30/2007 		 100  12/02/2001 
08/31/2007 		 0 
0 
Begin Design (PS&E) Phase
End Design (PS&E) Phase
 09/01/2007 
08/31/2010 		  
 		 09/01/2007 
08/31/2010 		 100  09/01/2007 
08/19/2010 		 0 
0 
Begin Right of Way Phase
End Right of Way Phase
 09/01/2007 
05/13/2010 		  
 		 09/01/2007 
05/13/2010 		 100  09/01/2007 
05/25/2010 		 0 
0 
Begin Construction Phase
End Construction Phase
 12/01/2010 
12/31/2012 		  
 		 12/01/2010 
12/31/2012 		 0  06/02/2011 
07/17/2013 		 -6 
-7 
Begin Closeout Phase
End Closeout Phase
 01/01/2013 
01/01/2014 		  
 		 01/01/2013 
01/01/2014 		 75  12/31/2013 
06/01/2016 		 -12 
-29 
Corridor System Management Plan
Adoption Date 09/01/2010    09/01/2010  100  09/01/2010  0 
Implementation Date 09/01/2010    09/01/2010  0  09/01/2010  0 
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No map available at this time.

Project Benefits
Benefit Baseline Actual
Daily Travel Time Savings (hours) 965
Lane Miles Added (HOV) 1.8
Lane Miles Added (Mixed) 0
Peak Period Time Savings (minutes) 965.0 70432

Bond Funding Cost
Adopted:
 $22,800,000
Current Approved:
 $15,000
Actual Expenditures:
 $14,844

 

Status as of December 31, 2023.