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Central Phase A - US101 HOV Lanes from Railroad Ave to Rohnert Park Exp
Description: In Rohnert Park and Petaluma, from north of Pepper Road to Rohnert Park Expressway; Widen from 4 to 6 lanes for High Occupancy Vehicle (HOV) lanes.

  • Project Information
  • Contacts
  • Cost by Fund Source
  • Cost by Component
  • Schedule
  • Map
  • Closeout Info
Project Location
County
 Sonoma
City Cotati, Rohnert Park
Zip Code 94928, 94931, 94952
 
Senate District
 03
Assembly District 06
Congressional District 06
 
Caltrans District
 04
 
 
County/State Route Sonoma 101
Postmile Begin/End 7.5 13.9
Project Benefits
 Benefit Baseline Actual
Daily Travel Time Savings (hours)  3090    2,367  
Lane Miles Added (HOV)  6.0      
Lane Miles Added (Mixed)  0      
Peak Period Time Savings (minutes)  225600    172,769  
 
Project Contacts Agency Contact Person Telephone E-mail
Environmental Phase
 Sonoma County Transportation Agency Suzanne Smith (707) 565-5373   suzsmith@sctainfo.org
Design (PS&E) Phase
 Sonoma County Transportation Agency Suzanne Smith (707) 565-5373   suzsmith@sctainfo.org
Right of Way Phase
 Caltrans Doanh Nguyen (510) 286-6128   doanh_nguyen@dot.ca.gov
Construction Phase
 Caltrans Doanh Nguyen (510) 286-6128   doanh_nguyen@dot.ca.gov
 
Corridor System Management Plan
 Caltrans Juliana Gum (510) 286-4579   juliana_gum@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
RIP Augmentation
 $0 $46,399 $46,399
CMIA
 $42,848 $-25,489 $17,359
Non-bond Funding
State/Federal*
 $49,402 $-46,399 $3,003
Local**
 $18,000 $8,000 $26,000
Non Budgeted ETC
 $0 $0 $0
 
Total**** $110,250 $-17,489 $92,761

**** 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
 $3,500 $0 $3,500 $3,331
Design(PS&E)
 $10,000 $0 $10,000 $9,817
Right of Way
 $10,450 $0 $10,450 $3,020
Construction
 $86,300 $-17,489 $68,811 $65,947
 
Total* $110,250 $-17,489 $92,761 $82,115

* 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
 12/01/2001 
09/01/2007 		  
 		 12/01/2001 
09/01/2007 		 100  01/01/2002 
08/30/2007 		 -1 
0 
Begin Design (PS&E) Phase
End Design (PS&E) Phase
 03/01/2006 
02/01/2009 		  
 		 03/01/2006 
02/01/2009 		 100  07/01/2006 
02/09/2009 		 -4 
0 
Begin Right of Way Phase
End Right of Way Phase
 09/01/2007 
02/01/2009 		  
 		 09/01/2007 
02/01/2009 		 100  08/30/2007 
01/29/2009 		 0 
0 
Begin Construction Phase
End Construction Phase
 07/01/2009 
12/01/2011 		  
 		 07/01/2009 
12/01/2011 		 100  12/01/2010 
12/26/2012 		 -17 
-13 
Begin Closeout Phase
End Closeout Phase
 02/01/2012 
02/01/2013 		  
 		 02/01/2012 
02/01/2013 		 50  12/27/2012 
12/31/2020 		 -11 
-96 
Corridor System Management Plan
Adoption Date 09/01/2010    09/01/2010  100  12/01/2010  -3 
Implementation Date 09/01/2010    09/01/2009  0  01/01/2011  -16 
????????
Project Benefits
Benefit Baseline Actual
Daily Travel Time Savings (hours) 3090 2,367
Lane Miles Added (HOV) 6.0
Lane Miles Added (Mixed) 0
Peak Period Time Savings (minutes) 225600 172,769

Bond Funding Cost
Adopted:
Current Approved:
Actual Expenditures:

 

Status as of December 31, 2023.