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US 101 HOV Lanes - North Phase A (from Steele Lane to Windsor River Road)
Description: In Santa Rosa and Windsor, from Steele Lane to Windsor River Road; 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 Larkfield-Wikiup, Santa Rosa, Windsor
Zip Code 95401, 95403, 95439, 95492
 
Senate District
 02
Assembly District 01
Congressional District 06
 
Caltrans District
 04
 
 
County/State Route Sonoma 101
Postmile Begin/End 21.7 29.3
Project Benefits
 Benefit Baseline Actual
Daily Travel Time Savings (hours)  3146    6,062  
Lane Miles Added (HOV)  15.2      
Peak Period Time Savings (minutes)  229640    442,524  
 
Project Contacts Agency Contact Person Telephone E-mail
Environmental Phase
 Sonoma County Transportation Agency James Cameron (707) 565-5377   jcameron@sctainfo.org
Design (PS&E) Phase
 Caltrans Doanh Nguyen (510) 286-6128   doanh_nguyen@dot.ca.gov
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
CMIA
 $68,360 $1,500 $69,860
Non-bond Funding
State/Federal*
 $22,900 $-1,500 $21,400
Local**
 $29,000 $0 $29,000
Non Budgeted ETC
 $0 $0 $0
 
Total**** $120,260 $0 $120,260

**** 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 $3,314
Design(PS&E)
 $6,000 $0 $6,000 $3,079
Right of Way
 $7,560 $0 $7,560 $173
Construction
 $103,200 $0 $103,200 $97,968
 
Total* $120,260 $0 $120,260 $104,534

* 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 
10/01/2007 		  
 		 12/01/2001 
10/01/2007 		 100  12/20/2001 
10/24/2007 		 0 
-1 
Begin Design (PS&E) Phase
End Design (PS&E) Phase
 03/01/2006 
03/01/2008 		  
 		 03/01/2006 
05/15/2008 		 100  03/01/2006 
06/13/2008 		 0 
-1 
Begin Right of Way Phase
End Right of Way Phase
 10/01/2007 
03/01/2008 		  
 		 10/01/2007 
02/29/2008 		 100  10/01/2007 
02/29/2008 		 0 
0 
Begin Construction Phase
End Construction Phase
 09/01/2008 
01/01/2011 		  
 		 09/01/2008 
01/01/2011 		 100  10/29/2008 
12/30/2010 		 -2 
0 
Begin Closeout Phase
End Closeout Phase
 02/01/2011 
02/01/2012 		  
 		 02/01/2011 
02/01/2012 		 50  02/01/2011 
12/13/2015 		 0 
-47 
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) 3146 6,062
Lane Miles Added (HOV) 15.2
Peak Period Time Savings (minutes) 229640 442,524

Bond Funding Cost
Adopted:
 $68,360,000
Current Approved:
 $69,860,000
Actual Expenditures:
 $62,741,000

 

Status as of December 31, 2023.