HomeMy WebLinkAboutRPT 2 LEFT TURN MOVE 02-07-83DATE:
JANUARY 26, 1983
REPORTS
No. 2
2-7-83
Inter-Corn
TO:
FROM:
SUBJECT:
WILLIAM HUSTON, CITY MANAGER
BOB LEDENDECKER, DIRECTOR OF 'PUBLIC WORKS/CITY ENGINEER
LEFT TURN MOVEMENTS - EASTBOUND FIRST ST. TO NORTHBOUND NEWPORT AVE.
IRRIGATION SCHEDULE FOR LANDSCAPED MEDIAN ISLANDS
BACKGROUND:
At a recent Council meeting, Councilman Grienke requested information on the two
subject items which are detailed below:
DISCUSSION:
Left Turn Movements - Eastbound First to Northbound Newport
Traffic counts were verified for a 24-hour period on Jan. 21st and 22nd on a
lane-by-lane basis for eastbound First St. at the Newport Ave. intersection. The
total count for eastbound traffic'was 8,559 vehicles. The two left turn lanes
carried 4,620 vehicles, or 54% of the total with the number two (or outside) left
turn lane carrying 3,152 vehicles, or 37% of the total volume. The volume on the
through or eastbound lane was the smallest of the four lanes with 1,375 vehicles,
or 16% of the total volume. The right turn only lane carried 2,564 vehicles, or
30% of the total volume.
The single through lane is more than adequate to carry the through eastbound
movement demand. With the existing large volume of left turn movements, it is not
recommended that the number two (or outside) left turn lane be changed either to a
"through lane" or an "optional left turn or through lane". Any change would add
to the congestion in the eastbound direction and could require additional green
time of the eastbound cycle length resulting in reduced green time for the other
movements within the intersection, i.e. Newport Avenue.
RECOMMENDATION:
It is recommended that the intersection remain as it exists, with no action by the
City Council.
DISCUSSION:
Irri~ation Schedule for Landscaped Median Islands
Routine City procedures for irrigation of landscaped median islands are that all
irrigation is scheduled to take place between the hours of 2:00 AM and 6:00 AM.
Periodically, the irrigation system is turned on during the routine work hours for
the following reasons:
1. Perform repairs on the system.
LEFT TURN MOVEMENTS - EASTBOUND FIRST ST. TO NORTHBOUND NEWPORT AVE.
IRRIGATION SCHEDULE FOR LANDSCAPED MEDIAN ISLANDS
JANUARY 26, 1983
PAGE TWO
2. Specialized watering when the grass or dichondra has been fertilized.
3. When the time clocks have been tampered with by vandals.
Apparently, the gentleman who expressed concerns about the watering during routine
work hours was referring to one of the waterings caused by the above-mentioned
events.
ENDECKER
DIRECTOR OF PUBLIC WORKS/
CITY ENGINEER
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