Vertical Deflection Speed Reduction Treatments
Split Table
Hump
Offset Table
Cushion
Table
Longer & more flat
Residential <= 35 mph, 4 lanes
<= 30 mph, 2 lanes
Designed for
emergency response
Item 7-A
May 28, 2024
Item 7-A
May 28, 2024
Ocean Park
Hill St
Ashland Ave
Marine St
Kinney St
Strand St
Hollister AveWadsworth
Bicknell Ave
D D P
Traffic Calming Toolbox
• New crosswalks
• Flashing beacons
• Advance special markings
• Extend parking to off peak
• Consistent with Pacific Ave
• Expand ‘rest in red’
• Corridor timing
• Pedestrian/driveway signals
• Speed limit on pavement
• Transverse markings
$10K to
$40K
$74K to $192K
$94K to
$187K
$20K to $30K
$208K to $459K
Reflects ~25% savings with bundling
Item 7-A
May 28, 2024
Item 7-A
May 28, 2024
Item 7-A
May 28, 2024
Item 7-A
May 28, 2024
48’ curb to curb
Approximate allocation:
Four 10’ travel lanes with 9’ center (either concrete
raised median, turn lane, or painted median)
9’ 10’ 9’-6” 9’-6” 10’
Cross Section Constraints
Item 7-A
May 28, 2024
Item 7-A
May 28, 2024
• 20’ width (each direction)
• Fire truck needs 8’-8” split to split
• Assume right lane has stopped vehicles, moved over for Fire truck • The split would be in the travel lane’s wheel path
Split Speed Table Constraints
10’
Item 7-A
May 28, 2024
Item 7-A
May 28, 2024
• Distance required to divert and re-enter, ~100’ minimum • Raised concrete median intermittently throughout the corridor • Turning lanes (some segments)
• Closely spaced intersections (some segments)
4: Offset Speed Table Constraints
Item 7-A
May 28, 2024
Item 7-A
May 28, 2024