CC 2-5-19 Item #16 Junipero Serra TrailFeasibility Study
February 5, 2019
Junipero Serra Trail
Staff Recommendation
●Adopt Resolution 19-020,
Approving the Findings of the
Junipero Serra Trail Feasibility
Study
●South of I-280, between
sound wall and private
properties
Where is the Trail?
●Drainage ditch
●Concrete-lined open
channel west of Wolfe
●Natural riparian
channel east of Wolfe
●Will use existing
maintenance road
●2.9 miles long, SCVWD
right-of-way
Why a Trail?
●2016 Cupertino Bike Plan
●Highlighted as one component of Loop Trail
●East-West connection
●Tier 1 High Priority Project
●2018 Cupertino Pedestrian Plan –Tier 1
●Consistent with General Plan policies
Segment #1
Segment #2
Segment #3
●Existing maintenance road narrow as 7.5 feet
●Bike/ped shared use challenging
●Option to enclose channel in culvert
●Culvert allows Class I trail, but costly and
would require City maintenance
Existing Open Channel Box Culvert
Segment #1 -Challenges
Segment #1 -Challenges
●Stelling Road Crossing
●Busy major
collector
●No controlled
intersection at trail
crossing
●Grade separation
necessary
Proposed undercrossing at Stelling Road
Segment #1 -Challenges
●De Anza Blvd Crossing
●Major Arterial Roadway
●I-280 SB Ramp Proximity
●Existing Signalized
Intersection
●Three Options for
Crossing:
●At-grade, Bridge, Tunnel
Segment #2 -Challenges
Bridge Overcrossing
Segment #2 -Challenges
Tunnel Undercrossing
Segment #2 -Challenges
At-grade Crossing
Segment #2 -Challenges
Segment #2 -Challenges
●Lucille Ave
●No major engineering
challenges
●Mostly community
concerns
●Potential increase noise,
loitering, vehicles parked
within the neighborhood
●Robust Outreach Process
●Four community meetings
●Tables at Diwali and Earth
Day Festivals
●Three BPC meetings
●Advertised thru social media,
mailings, door hangers, emails,
SR2S
Public Outreach
Public Outreach
●Mixed, generally positive feedback
●Primary concerns raised:
●Safety and security of trail users
●Long distances between access points
●Crossings of major streets
●Constrained trail width
●Safety and security of adjacent property owners
●Neighborhood-specific concerns near Don
Burnett Bridge and Lucille Ave
●Measures to Address Concerns Include:
●Installation of lighting and/or security
cameras
●Sheriff patrols
●New fencing for resident security
●Grade-separated crossings of major streets
●Trail location and design to minimize
impact to affected neighborhoods
Public Outreach
●TAC formed to give affected utilities and public
agencies opportunity to identify concerns
●Cal Water, Caltrans, City of Sunnyvale, PG&E,
Santa Clara Valley Water District (SCVWD),
Santa Clara Valley Transit Authority (VTA)
participated
●Two full meetings held, plus individual meetings
as necessary
Technical Advisory Committee
●BPC discussion on March 21, October 17, and
December 19, 2018
●BPC endorsed option that does not construct
box culvert, and improves at-grade crossing at
De Anza Blvd (no grade separation)
Bicycle Pedestrian Commission
Costs, $M
Engineering Construction Total
Segment 1 0.5 3.0 3.5
Segment 2
De Anza At-grade
De Anza Bridge
De Anza Tunnel
0.5
1.9
2.6
3.5
15.7
22.2
4.0
17.6
24.8
Segment 3 0.3 1.5 1.8
No concrete box culvert
Trail Costs
Costs, $M
Engineering Construction Total
Segment 1 1.5 9.6 11.1
Segment 2
De Anza At-grade
De Anza Bridge
De Anza Tunnel
2.5
3.8
4.6
16.3
28.6
35.1
18.5
32.4
39.5
Segment 3 0.3 1.5 1.8
With concrete box culvert
Trail Costs
Staff Recommendation
●Adopt Resolution 19-020,
Approving the Findings of the
Junipero Serra Trail Feasibility
Study