AVENUE
CEDAR AVENUE
SEPULVEDA BOULEVARDMARINE
EXISTING PEAK-HOUR VOLUMES
(AM / MIDDAY / PM)
2 / 0 / 5
75 / 140 / 16014 / 43 / 6683 / 201 / 238
150 / 201 / 191523 / 343 / 38752 / 40 / 370 / 1 / 1
30 / 21 / 2230 / 30 / 2928 / 23 / 36
158 / 126 / 137266 / 175 / 187232 / 234 / 28076 / 96 / 108267 / 184 / 30360 / 73 / 42 123 / 155 / 821271 / 1462 / 2565165 / 157 / 3100 / 3 / 1 *46 / 74 / 56439 / 400 / 62943 / 56 / 641 / 1 / 0 * 47 / 74 / 56442 / 401 / 63643 / 56 / 643 / 21 / 8
0 / 1 / 3
3 / 0 / 18 / 6 / 1 3 / 0 / 14 / 0 / 2
3 / 0 / 0 4 / 0 / 1
6 / 3 / 1
1 / 1 / 011 / 10 / 9
6 / 6 / 2
3 / 2 / 1
1 / 5 / 4
7 / 12 / 4
6 / 4 / 5
* - Illegal turning movement
SEPULVEDA BOULEVARD12'10'10'12'
11'11'5'11'10'6'10'10'5'
18'11'10'10'10'10'12'4'
30'
AVENUE
CEDAR AVENUE
MARINECR=35'CR=25'
CR=30'CR=28'
SEPULVEDA BOULEVARD
IMPROVEMENT OPTIONFN: JC18141 MARINE AVE & CEDAR DR MANHATTAN BEACH DESIGN\GRAPHICS\PRELIM_ALTS12/14/2021 X Culver City, California 90230300 Corporate Pointe, Suite 470PH (310) 473 6508 F (310) 444 9771 www.koacorp.com NORTH
CONVERT SOUTHBOUND THROUGH TO SOUTHBOUNDLEFT/THROUGH AND REMOVE EASTERN CROSSWALK 1Hardware upgrades to convert the northbound-southbound approaches to split phasing to allowfor the southbound dual left turns.RECOMMENDATIONS:
CONCEPT DESCRIPTION:Convert the southbound approach from a left, through, and right turn lane to a left, sharedleft/through, and right turn lane.ABRemoval of the eastern crosswalk to reduce pedestrian conflicts with the southbound leftturns resulting in improved operational and safety benefits. 2Remove the eastern continential crosswalk and remove the associated pedestrian signals.
A
B1 2
3 Restripe pavement markings.3
45 Median nose trimmed back six feet to accommodate dual left turns.4Street light pole protected in place.5 CMaintain the Class II eastbound bicycle lane.
C
SIGNAL OPTIMIZATION AND COORDINATION
The traffic signal would be coordinated with Sepulveda Boulevard & Marine Avenue andoptimized.D D
Consider vehicle detection using camera mounted on a pole in City-owned right-of-way. Cameracould pick up traffic from Sepulveda Boulevard traveling eastbound on Marine Avenue.6 Hardware upgrades may be required to optimize the signal.87New conduit and signal interconnect (SIC) (Fiber / twisted copper pair cable [TWP]). 678
PRELIMINARY DESIGN CONCEPT