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FIRST STREET MULTIMODAL BOULEVARD STUDY
East Side - 4 Lane
Pedestrian & Bicycle Zone
4 travel lanes with a sidewalk
and a separated bikeway on each
side of First Street
(Zoo Ln to Tustin Ave)
5 5 11
22 3 3
4 Sidewalk with
Separated Bikeway
1 Extra-wide sidewalks improve pedestrian access and
create space for upgraded bus stops and amenities, with flexibility to use any of the three sidewalk concepts shown for the west corridor.
Note: The four lane concept aligns with the lower traffic volumes and the Public Realm Plan (Mixed Use Overlay Zone) on the east side of Interstate 5 (I-5). Therefore, one concept was developed for the roadway cross section on the east side.
Separated bikeway creates clearly defined bicycle and
pedestrian zones at the sidewalk level.
Added street trees provide essential shade and improve
comfort for people walking or rolling by buffering the
sidewalk from traffic.
65’ roadway width shortens pedestrian crossing
distances for at intersections and controlled pedestrian crossings.
Reducing to four travel lanes slows traffic speeds, with increased delay and travel time.
2 3
4 5
View
Location
Bristol St
Flower St
Main St
Grand Ave
Tustin Ave
Golden Circle Dr
Metrolink
First St
Conceptual View Looking east on First St near Golden Circle Dr Separated
Bikeway
Parkway/
Lighting
Zone
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FIRST STREET MULTIMODAL BOULEVARD STUDY
East Side Concept
○ Extra-wide sidewalks with separated bikeways
create dedicated, predictable zones that increase
separation form roadway traffic, enhancing safety
by providing more comfortable ADA access for
walking, and rolling on both sides of First Street.
○ Additional safety improvements (not pictured)
include enhanced pedestrian crossings with
tighter curb radii, improved crosswalk visibility,
and new signalized crossings for safer, more
consistent crossing opportunities. Transit
signal priority will be integrated into signalized
intersections to help improve bus operations and
on-time performance.
Caltrans Conceptual Plan developed for their Freeway Ramp Active Mobility Study recommends reducing First Street to four lanes east of Zoo Lane and ramp improvements at I-5 SB Ramps Level of Service: Opening Year