HomeMy WebLinkAboutDecember 6, 2010AGENDA
COLUMBIA HEIGHTS TRAFFIC COMMISSION
MURZYN HALL - KEYES ROOM
MONDAY, DECEMBER 6, 2010
5:30 P.M.
I. ROLL CALL
H. APPROVAL OF JUNE 7, 2010 MINUTES
III. OLD BUSINESS
None.
IV. OTHER OLD BUSINESS
V. NEW BUSINESS
A. REQUEST TO INSTALL 4 WAY STOP SIGNS AT THE INTERSECTION OF 7TH
STREET AND 41 AVENUE
Mr Elhshik is representing the Islamic Center of Minnesota at 4056 7th Street. The
concern is the potential for vehicle and personal injury accidents at the uncontrolled
intersection of 7th Street and 41 Avenue. The letter is included in your packet.
Based on staff review, the intersection at 7 Street and 41 Avenue has fair visibility.
North bound traffic on 7"' Street has a partially restricted view. There is a considerable
amount of on- street parking when services or events are held at the mosque.
Captain Austin reviewed the accident records for the last three years. There has been one
reported accident in 2008 and one accident in 2010. Captain Austin's memo is attached.
Sergeant Markham will provide details concerning each accident at the meeting.
For the June meeting, the Police Department compiled accident records in Grid 11
(University Avenue to 7 Street from 40 Avenue to 44 Avenue) for January 2009
through May 2010. The information is displayed on the map.
The guidelines for installation of stop signs in the new updated Federal MUTCD are
included with your packet for reference. The following guidelines have been added for
local, low volume roads:
The use of YIELD or STOP signs should be considered at the intersection of two
minor streets or local roads where the intersection has more than three approaches
and where one or more of the following conditions exist:
A. The combined vehicular, bicycle and pedestrian volume entering the
intersection from all approaches averages more than 2,000 units per day;
Traffic Commission Agenda
December 6, 2010
Page 2
B. The ability to see conflicting traffic on an approach is not sufficient to
allow a road user to stop or yield in compliance with the normal right -of-
way rule if such stopping or yielding is necessary; and/or
C. Crash records indicate that five or more crashes that involve failure to
yield the right of way at the intersection under the normal right of way rule
have been reported within a 3 year period, or that three or more such
crashes have been reported within a two year period.
Studies have shown that stop signs tend to give pedestrians a false sense of security when
crossing streets. If on- street parking is limiting visibility, an alternative may be to restrict
parking on 7` Street and 41s Avenue near the intersection. Sidewalks are available on
both 7"' Street and 41 81 Avenue.
Based on information presented at the meeting, Commissioners may want to consider an
alternate recommended motion to call for a public hearing to restrict parking or install
traffic control signs (Yield) at the next meeting.
RECOMMENDED MOTION: Move to deny the request to install stop signs at the
intersection of 7 s ' Street and 41" Avenue.
VI. OTHER NEW BUSINESS
VIL REPORTS
A. CITY ENGINEER
A handicapped parking sign has been installed at 4129 Jefferson Street as requested
by Carl and Lorraine Hedlund. The Hedlund's permit number is 279543.
B. POLICE CHIEF
C. COMMISSIONERS
VIII. ADJOURNMENT
The City of Columbia Heights does not discriminate on the basis of disability in the admission or access to, or treatment or employment in,
its services, programs, or activities. Upon request, accommodation will be provided to allow individuals with disabilities to participate in
all City of Columbia Heights' services, programs, . and activities. Auxiliary aids for handicapped persons are available upon request when
the request is made at least. 96 hours in advance. Please call the City Council secretary at 763/706 -3611 to make arrangements.
(TDD /763 -706 -3692 for deaf only.)
UNAPPROVED
OFFICIAL PROCEEDINGS
COLUMBIA HEIGHTS TRAFFIC COMMISSION
MONDAY, JUNE 7, 2010
CALL TO ORDER
The meeting was called to order by Chairperson Carlson at 6:02 p.m.
ROLL CALL
Members present: Anderson, Carlson, Doty, Goodman, Tyler
Staff present: Kathy Young, Assistant City Engineer
Matt Markham, Police Sergeant
Sue Schmidtbauer, Public Works Secretary
Council Liaison: Bruce Kelzenberg
APPROVAL OF MINUTES
Motioned by Goodman, seconded by Doty, to approve the minutes of April 5, 2010, as presented. Motion
carried unanimously.
OLD BUSINESS
None.
OTHER OLD BUSINESS
None.
NEW BUSINESS
A. REQUEST TO REVIEW STOP SIGN LOCATIONS IN THE AREA SURROUNDING 41 AVENUE
AND 6 TH STREET
Dan Barrett has requested a review of the stop sign locations in the area surrounding 41" and 6 1h Street. He
was present at the meeting. His requests are as follows:
• Install east -west stop signs at the intersection of 6 th Street and 41" Avenue.
• Revise the stop signs at 6 Street and 42 Avenue stopping east -west traffic rather than north -south
traffic.
• Install east -west stop signs at each uncontrolled intersection from 37 Avenue to 53` Avenue.
Mr. Barrett states his concern is the potential for accidents at uncontrolled intersections, especially the one by
his home at 41" and 6 Street. He states traffic has increased in this area due to a higher attendance at the
Muslim church along with two daycare facilities on other corners. He also stated there is a dip in the road
that can bottom out a car if the driver is unaware of the dip and driving too fast. Mr. Barrett stated there is no
uniformity within the city and thinks stop signs should be installed at all east -west intersections.
The intersection at 6 th Street and 41' Avenue does have limited visibility in the northeast corner. There have
been four accidents over the past three years caused by a failure to yield. However, Carlson stated this does
not meet the qualifications for a stop sign. Mr. Barrett asked about a traffic count at this intersection.
Carlson stated the traffic count would also not qualify. Carlson also informed Mr. Barrett that the City must
Traffic Commission Minutes — June 7, 2010
Page 2
follow state guidelines to install a stop sign. Mr. Barrett asked Officer Markham his opinion regarding this
matter. Officer Markham stated that he would like to see stop signs at all intersections but this is not always
a good idea. The problem is speeding and not using common sense. He stated we run across the same
situation with or without stop signs. Carlson again stated that this intersection does not meet the
requirements for a stop sign. He said that problems also occur when stop signs are put up where they
shouldn't be, as drivers just tend to run them. The same problem occurs with a yield sign. All stop signs that
have been installed in the city have met state guidelines except for one. This sign was installed due to a
petition. Anderson suggested holding a public hearing and possibly using a traffic counter. Mr. Barrett
stated none of his neighbors would attend a public hearing. Carlson made the motion to deny the project and
deny a public hearing. Motion seconded by Tyler. Motion carried.
Mr. Barrett stated he would let the Traffic Commission know of the next accident. He asked that we keep
this project in mind.
B. REQUEST TO REVIEW TRAFFIC AT THE INTERSECTION OF 50 AVENUE AND FRONTAGE
ROAD /CENTRAL AVENUE
A request was made by Ms. Cathy Kehrwald to review traffic at the intersection of 50th Avenue and to
review the frontage road off Central Avenue for improvements. Her concern is that the additional traffic
generated by the new Jimmy John's restaurant has made an already dangerous intersection worse.
The commission agreed this intersection is difficult to navigate but it is tough to change. The road in front of
the strip mall is a MnDOT right of way maintained by the City. One possibility is to close the frontage road
to the north and put in a right turn lane, or use striping to help direct traffic. Young stated we could possibly
stripe in 2012 when MnDOT widens the road and could close the frontage road to the north as it is rarely
used. Carlson recommended that we not change anything at the present. Carlson motioned that we deny any
action. Motion seconded by Anderson.
REPORTS
CITY ENGINEER
A disabled parking sign has been requested and will be installed at 4416 3` Street. Doty questioned if we
check handicap signs. Young stated that handicap permits are good for 5 -6 years and are not checked. New
residents usually call to have the signs removed
Staff has begun traffic counts during peak hours at the intersections with Central Avenue.
Young informed the Traffic Commission that the City is currently taking an inventory of all signs within the
city. A GPS is being used to locate the signs and a photo is being taken. This is a federal requirement. More
information will be available at the end of the summer. Carlson stated there was a 10 minute parking sign
and zoned on 40 Avenue and 5 Street on the north side close to 5 The sign is gone but should not have
been there. If it is on the map it should be removed.
POLICE CHIEF
None
Traffic Commission Minutes — June 7, 2010
Page 3
COMMISSIONERS
Goodman checked the signs by the Holiday station. It is very difficult to make a left hand turn at this
intersection from both the Holiday and the Rainbow side of the intersection. It was recommended to make a
right turn on 43` and then come back around.
Carlson stated the need to appoint or re- appoint a chairman. Motion was made by Goodman to re- appoint
Carlson as chairman and seconded by Tyler. Motion carried unanimously.
Commissioner Richard Anderson will no longer be serving on the Traffic Commission as he is moving out of
state. This is his last meeting. Members thanked him for his years of service. The commission will need to
find a new candidate to fill his spot.
ADJOURNMENT
Motioned by Doty, seconded by Tyler to adjourn the meeting at 6:58 p.m. Motion carried unanimously.
Respectfully submitted,
Sue Schmidtbauer
Public Works Secretary
' �
01!0112005 00:01 7537890125 ELHSHIK A PAGE 01/01'
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Date: /19/10
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agree We all af the life of - ature is very valuable and the
intersection human's life is th very precious. Installing a four-way stop sign at the
of Street and Avenue will certainly prevent accidents
• happening and - " people's
The Islamic Center of Minnesota (4056 "7 St. NE) is located at the
intersection of 7 th Street and 41 St Avenue. This intersection is experiencing
more traffic and speedy drivers which makes the lives of people vulnerable.
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accident take place and someone dies.
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MEMORANDUM
To: Columbia Heights Traffic Commission Members
From: Lenny Austin, Captain
Subject: Review of Accidents at the intersection of 41 Avenue and 7th Street
Date: 12/02/2010
I have reviewed the number recorded number of accidents that have occurred over the last three years at the
intersection of 41 Avenue and 7 th Street. From 2008 through 2010 there have been two crashes that have
occurred in that intersection.
The first crash occurred on 09/23/2008, at 6:00 pm, and the second crash occurred on 10/28/2010, at 5:11
pm. Both crashes were property damage crashes, with no report of injuries.
cc: Matt Markham, Sergeant
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Page 50 2009 Edition
When two vehicles approach an intersection from different streets or highways at approximately the same time, the
right -of -way rule requires the driver of the vehicle on the left to yield the right -of -way to the vehicle on the right.
The right -of-way can be modified at through streets or highways by placing YIELD (RI-2) signs (see Sections 2B.08
and 213.09) or STOP (RI -I) signs (see Sections 2B.05 through 213.07) on one or more approaches.
Guidance:
02 Engineering judgment should be used to establish intersection control. The following factors should be
considered:
A. Vehicular, bicycle, and pedestrian traffic volumes on all approaches;
B. Number and angle of approaches;
C. Approach speeds;
D. Sight distance available on each approach; and
E. Reported crash experience.
os YIELD or STOP signs should be used at an intersection if one or more of the following conditions exist:
A. An intersection of a less important road with a main road where application of the normal right -of- -way
rule would not be expected to provide reasonable compliance with the law;
B. A street entering a designated through highway or street; andlor
C. An unsignalized intersection in a signalized area.
oa In addition, the use of YIELD or STOP signs should be considered at the intersection of two minor streets
or local roads where the intersection has more than three approaches and where one or more of the following
conditions exist:
A. The combined vehicular, bicycle, and pedestrian volume entering the intersection from all approaches
averages more than 2,000 waits per day;
B. The ability to see conflicting traffic on an approach is not sufficient to allow a road user to stop or yield
in compliance with the normal right -of -way rule if such stopping or yielding is necessary; and /or
C. Crash records indicate thatfive or more crashes that involve the failure to yield the right- of-way at the
intersection under the normal right -of -way rule have been reported within a 3 -year period, or that three
or more such crashes have been reported within a 2 -year period.
os YIELD or STOP signs should not be used for speed control.
Support:
os Section 2B.07 contains provisions regarding the application of multi -way STOP control at an intersection.
Guidance:
of Once the decision has been made to control an intersection, the decision regarding the appropriate roadway
to control should be based on engineering judgment. In most cases, the roadway carrying the lowest volume of
traffic should be controlled.
08 A YIELD or STOP sign should not be installed on the higher volume roadway unless justified by an
engineering study.
Support:
09 The following are considerations that might influence the decision regarding the appropriate roadway
upon which to install a YIELD or STOP sign where two roadways with relatively equal volumes and /or
characteristics intersect:
A. Controlling the direction that conflicts the most with established pedestrian crossing activity or school
walking routes;
B. Controlling the direction that has obscured vision, dips, or bumps that already require drivers to use lower
operating speeds; and
C. Controlling the direction that has the best sight distance from a controlled position to observe
conflicting traffic.
Standard:
10 Because the potential for conflicting commands could create driver confusion, YIELD or STOP signs
shall not be used in conjunction with any traffic control signal operation, except in the following cases:
A. If the signal indication for an approach is a flashing red at all times;
B. If a minor street or driveway is located within or adjacent to the area controlled by the traffic
control signal, but does not require separate traffic signal control because an extremely low
potential for conflict exists; or
C. If a channelized turn lane is separated from the adjacent travel lanes by an island and the
channelized turn lane is not controlled by a traffic control signal.
Sect. 2B.04 December2n09
2009 Edition Page 51
11 Except as provided in Section 213.09, STOP signs and YIELD signs shall not be installed on different
approaches to the same unsignalized intersection if those approaches conflict with or oppose each other.
12 Portable or part -time STOP or YIELD signs shall not be used except for emergency and temporary
traffic control zone purposes.
13 A portable or part -time (folding) STOP sign that is manually placed into view and manually removed
from view shall not be used during a power outage to control a signalized approach unless the maintaining
agency establishes that the signal indication that will first be displayed to that approach upon restoration of
power is a flashing red signal indication and that the portable STOP sign will be manually removed from
view prior to stop- and -go operation of the traffic control signal.
Option:
14 A portable or part -time (folding) STOP sign that is electrically or mechanically operated such that it only
displays the STOP message during a power outage and ceases to display the STOP message upon restoration of
power may be used during a power outage to control a signalized approach.
Support:
15 Section 913.03 contains provisions regarding the assignment of priority at a shared -use path/
roadway intersection.
Section 213.05 STOP Sign (11I -1) and ALL WAY Plaque (Rl -3P)
Standard:
01 When it is determined that a full stop is always required on an approach to an intersection, a STOP
(11I -1) sign (see Figure 213-1) shall be used.
02 The STOP sign shall be an octagon with a white legend and border on a red background.
03 Secondary legends shall not be used on STOP sign faces.
04 At intersections where all approaches are controlled by STOP signs (see Section 2B.07), an ALL
WAY supplemental plaque (RI -3P) shall be mounted below each STOP sign. The ALL WAY plaque
(see Figure 2B -1) shall have a white legend and border on a red background.
05 The ALL WAY plaque shall only be used if all intersection approaches are controlled by STOP signs.
00 Supplemental plaques with legends such as 2 -WAY, 3 -WAY, 4 -WAY, or other numbers of ways shall not
be used with STOP signs.
Support:
07 The use of the CROSS TRAFFIC DOES NOT STOP (W4 -4P) plaque (and other plaques with variations of
this word message) is described in Section 2C.59.
Guidance:
0e Plaques with the appropriate alternative messages of TRAFFIC FROM LEFT (RIGHT) DOES NOT STOP
(W4 -4aP) or ONCOMING TRAFFIC DOES NOT STOP (W4 -4bP) should be used at intersections where
STOP signs control all but one approach to the intersection, unless the only non - stopped approach is from a
one -way street.
Option:
09 An EXCEPT RIGHT TURN (RI -10P) plaque (see Figure 213-1) may be mounted below the STOP sign if an
engineering study determines that a special combination of geometry and traffic volumes is present that makes it
possible for right - turning traffic on the approach to be permitted to enter the intersection without stopping.
Support:
10 The design and application of Stop Beacons are described in Section 4L.05.
Figure 2B -1. STOP and YIELD Signs and Plaques
R1 -1
December 2009
ALL WAY
R1 -2
TO G EXCEPT
ONCOMIN RIGHT
TRAFFIC TURN
R1 -2aP R1 -10P
Sec[. 2B.04 to 211.05
Page 52
2009 Edition
Section 2B.06 STOP Sign Applications
Guidance:
01 At intersections where a full stop is not necessary at all times, consideration should first be given to using less
restrictive measures such as YIELD signs (see Sections 2B.08 and 2B.09).
02 The use of STOP signs on the minor - street approaches should be considered if engineering judgment
indicates that a stop is always required because of one or more of the following conditions:
A. The vehicular traffic volumes on the through street or highway exceed 6, 000 vehicles per day;
B. A restricted view exists that requires road users to stop in order to adequately observe conflicting traffic
on the through street or highway; and /or
C. Crash records indicate that three or more crashes that are susceptible to correction by the installation of
a STOP sign have been reported within a 12 -month period, or that five or more such crashes have been
reported within a 2 -year period. Such crashes include right -angle collisions involving road users on the
minor- street approach failing to yield the right -of -way to traffic on the through street or highway.
Support:
03 The use of STOP signs at grade crossings is described in Sections 8B.04 and 8B.05.
Section 2B.07 Multi -INU Stop Applications
Support:
01 Multi -way stop control can be useful as a safety measure at intersections if certain traffic conditions exist.
Safety concerns associated with multi -way stops include pedestrians, bicyclists, and all road users expecting
other road users to stop. Multi -way stop control is used where the volume of traffic on the intersecting roads is
approximately equal.
02 The restrictions on the use of STOP signs described in Section 2B.04 also apply to multi -way stop applications.
Guidance:
03 The decision to install multi -way stop control should be based on an engineering study.
04 The following criteria should be considered in the engineering study for a multi -way STOP sign installation:
A. Where traffic control signals are justified, the multi -way stop is an interim measure that can be
installed quickly to control traffic while arrangements are being made for the installation of the traffic
control signal.
B. Five or more reported crashes in a 12 -month period that are susceptible to correction by a multi -way stop
installation. Such crashes include right -turn and left -turn collisions as well as right -angle collisions.
C. Minimum volumes:
1. The vehicular volume entering the intersection from the major street approaches (total of both
approaches) averages at least 300 vehicles per hour for airy 8 hours of an average day; and
2. The combined vehicular, pedestrian, and bicycle volume entering the intersection from the minor
street approaches (total of both approaches) averages at least 200 units per hour for the same 8
hours, with an average delay to minor- street vehicular traffic of at least 30 seconds per vehicle
during the highest hour; but
3. If the 85"- percentile approach speed of the major- street traffic exceeds 40 mph, the minimum
vehicular volume warrants are 70 percent of the values provided in Items I and 2.
D. Where no single criterion is satisfied, but where Criteria B, C.1, and C.2 are all satisfied to 80 percent of
the minimum values. Criterion C.3 is excluded from this condition.
Option:
os Other criteria that may be considered in an engineering study include:
A. The need to control left -turn conflicts;
B. The need to control vehicle /pedestrian conflicts near locations that generate high pedestrian volumes;
C. Locations where a road user, after stopping, cannot see conflicting traffic and is notable to negotiate the
intersection unless conflicting cross traffic is also required to stop; and
D. An intersection of two residential neighborhood collector (through) streets of similar design and operating
characteristics where multi-way stop control would improve traffic operational characteristics of
the intersection.
Sect. 2B.06 to 2B.07 December 2004
2009 Edition
Section 2B.08 YIELD Sign (R1 -2)
Standard:
Page 53
01 The YIELD (R1 -2) sign (see Figure 2B -1) shall be a downward - pointing equilateral triangle with a wide
red border and the legend YIELD in red on a white background.
Support:
02 The YIELD sign assigns right -of -way to traffic on certain approaches to an intersection. Vehicles controlled
by a YIELD sign need to slow down to a speed that is reasonable for the existing conditions or stop when
necessary to avoid interfering with conflicting traffic.
Section 2B.09 YIELD Applications
Option:
of YIELD signs may be installed:
A. On the approaches to a through street or highway where conditions are such that a full stop is not
always required.
B. At the second crossroad of a divided highway, where the median width at the intersection is 30 feet or
greater. In this case, a STOP or YIELD sign may be installed at the entrance to the first roadway of a
divided highway, and a YIELD sign may be installed at the entrance to the second roadway.
C. For a channelized turn lane that is separated from the adjacent travel lanes by an island, even if the
adjacent lanes at the intersection are controlled by a highway traffic control signal or by a STOP sign.
D. At an intersection where a special problem exists and where engineering judgment indicates the problem
to be susceptible to correction by the use of the YIELD sign.
E. Facing the entering roadway for a merge -type movement if engineering judgment indicates that control is
needed because acceleration geometry and /or sight distance is not adequate for merging traffic operation.
Standard:
02 A YIELD (R1 -2) sign shall be used to assign right -of -way at the entrance to a roundabout. YIELD
signs at roundabouts shall be used to control the approach roadways and shall not be used to control the
circulatory roadway.
03 Other than for all of the approaches to a roundabout, YIELD signs shall not be placed on all of the
approaches to an intersection.
Section 2B.10 STOP Sign or YIELD Sign Placement
Standard:
of The STOP or YIELD sign shall be installed on the near side of the intersection on the right -hand side
of the approach to which it applies. When the STOP or YIELD sign is installed at this required location
and the sign visibility is restricted, a Stop Ahead sign (see Section 2C.36) shall be installed in advance of the
STOP sign or a Yield Ahead sign (see Section 2C.36) shall be installed in advance of the YIELD sign.
02 The STOP or YIELD sign shall be located as close as practical to the intersection it regulates, while
optimizing its visibility to the road user it is intended to regulate.
03 STOP signs and YIELD signs shall not be mounted on the same post.
04 No items other than inventory stickers, sign installation dates, and bar codes shall be affixed to the
fronts of STOP or YIELD signs, and the placement of these items shall be in the border of the sign.
05 No items other than official traffic control signs, inventory stickers, sign installation dates,
anti - vandalism stickers, and bar codes shall be mounted on the backs of STOP or YIELD signs.
06 No items other than retroreflective strips (see Section 2A.21) or official traffic control signs shall be
mounted on the fronts or backs of STOP or YIELD signs supports.
Guidance:
07 STOP or YIELD signs should not be placed farther than 50 feet from the edge of the pavement of the
intersected roadway (see Drawing F in Figure 2A -3).
08 A sign that is mounted back -to -back with a STOP or YIELD sign should stay within the edges of the STOP
or YIELD sign. If necessary, the size of the STOP or YIELD sign should be increased so that any other sign
installed back -to -back with a STOP or YIELD sign remains within the edges of the STOP or YIELD sign.
Option:
09 Where drivers proceeding straight ahead must yield to traffic approaching from the opposite direction, such as
at a one -lane bridge, a TO ONCOMING TRAFFIC (RI -2aP) plaque may be mounted below the YIELD sign.
December 2009 Sect 28.08 to 28.10
Page 54
2009 Edition
Support:
10 Figure 2A -3 shows examples of some typical placements of STOP signs and YIELD signs.
11 Section 2A.16 contains additional information about separate and combined mounting of other signs with
STOP or YIELD signs.
Guidance:
12 Stop lines that are used to supplement a STOP sign should be located as described in Section 38.16. Yield
lines that are used to supplement a YIELD sign should be located as described in Section 3B.16.
13 Where there is a marked crosswalk at the intersection, the STOP sign should be installed in advance of the
crosswalk line nearest to the approaching traffic.
14 Except at roundabouts, where there is a marked crosswalk at the intersection., the YIELD sign should be
installed in advance of the crosswalk line nearest to the approaching traffic.
15 Where two roads intersect at an acute angle, the STOP or YIELD sign should be positioned at an angle, or
shielded, so that the legend is out of view of traffic to which it does not apply.
16 If a raised splitter island is available on the left -hand side of a multi -lane roundabout approach, an
additional YIELD sign should be placed on the left -hand side of the approach.
Option:
n If a raised splitter island is available on the left -hand side of a single lane roundabout approach, an additional
YIELD sign may be placed on the left -hand side of the approach.
Is At wide- throat intersections or where two or more approach lanes of traffic exist on the signed approach,
observance of the right -of -way control may be improved by the installation of an additional STOP or YIELD sign
on the left -hand side of the road and /or the use of a stop or yield line. At cbannelized intersections or at divided
roadways separated by a median, the additional STOP or YIELD sign may be placed on a channelizing island
or in the median. An additional STOP or YIELD sign may also be placed overhead facing the approach at the
intersection to improve observance of the right -of -way control.
Standard:
19 More than one STOP sign or more than one YIELD sign shall not be placed on the same support facing
in the same direction.
Option:
20 For ayield- controlled channelized right -turn movement onto a roadway without an acceleration lane and for
an entrance ramp onto a freeway or expressway without an acceleration lane, a NO MERGE AREA (W4 -5P)
supplemental plaque (see Section 2C.40) may be mounted below a Yield Ahead (W3 -2) sign and /or below a
YIELD (RI-2) sign when engineering, judgment indicates that road users would expect an acceleration lane to
be present.