Date: November 27, 2023
To: Public Works and Sustainability Commission
From: Department of Public Works
Subject: PROPOSED SPEED CUSHIONS ON 800 BLOCK OF N LUCIA AVENUE TITLE:
DISCUSSION AND POSSIBLE ACTION REGARDING THE INSTALLATION OF SPEED CUSHIONS ALONG THE 800 BLOCK OF N LUCIA AVENUE.
SUMMARY:
In response to a resident request, staff is bringing forward a recommendation to install speed cushions along the 800 block of N Lucia Avenue between Anita/190th Street and Agate Street. In accordance with the City Council’s policy for speed cushion and traffic calming requests, staff provided materials to the petitioner on the block to solicit feedback and approval. Residents initiated a survey of all 48 residences within the block and provided 33 approval signatures, which is above the two-thirds threshold required for further evaluation.
The City’s Transportation Engineer performed multiple site visits and a speed survey as part of an engineering study in accordance with the City Council’s policy. Based on these factors, staff recommends the installation of speed cushions along the 800 block of N Lucia Avenue is seeking the input of the public and the Public Works and Sustainability Commission before bringing the matter to City Council for final consideration.
BACKGROUND:
Lucia Avenue runs northwest-southeast, is classified as a local street, and has a 25-mph residential prima facie speed limit. It is approximately 40 feet wide with one travel lane in each direction that is separated by a dashed yellow centerline. Parking is allowed on both sides of the street. The subject block is approximately 940 feet long and is controlled by stop signs at its northwestern terminus with Anita/190th Street and to the southeast at Agate Street. At Anita/190th Street, only right-in/right-out access is provided to and from Lucia Avenue, with no access provided to and from westbound Anita/190th Street. Attachment 1 shows the existing intersection controls in the vicinity of the subject block.
Fronting development along the block is predominantly single and multi-family residential with horticultural uses along the Southern California Edison (SCE) right-of-way near the northern end of the block. Beryl Heights Elementary School is further southeast at Lucia Avenue and Beryl Street. Sidewalks, curbs, and gutters are present along the subject block and yellow school zone crosswalks are striped across Agate Street at Lucia Avenue.
Administrative Report
The process to approve and install speed cushions is based on City Council policy (rev.
March 3, 2021). Resident petitioners are required to seek approval of at least two-thirds of residents on the affected block by reading and signing the City’s standard signature form for these types of requests. Only one vote per dwelling unit is allowed and signatures are verified against City records. Signatures of renters are verified with proof of address. Under the City’s policy and procedures, signatures received outside of the surveyed street segment are not considered as part of the official approval process. Only after sufficient resident support is reached would the City proceed with further technical study.
DISCUSSION:
Staff received a request for speed cushions along this block in May 2023. The request is due to resident’s concerns with vehicular speeds and safety concerns along this long block, approximately 1,000 feet, that does not have other speed control devices.
Staff provided the City’s official materials in accordance with City policy and resident petitioner(s) proceeded with soliciting feedback and approval. 48 residences are located within the 800 block of N Lucia Avenue, and 32 signatures are required to advance the request. As of August 12, 2023, the City received 33 approval signatures, of which 28 were verified against City records or with a proof of residence. Attachment 2 shows the list of approval signatures on the City’s official form.
The City has a list of technically-based installation criteria for speed cushions, which includes street classification, grades, horizontal alignment, speed limits, speed survey, and traffic volumes, shown in Attachment 3. Staff determined that the 800 block of N Lucia Avenue would qualify for speed cushions from a technical perspective. Speed and volume survey were performed for one week along the block in late October, which showed an average daily traffic volume (ADT) of 462 vehicles per day along the subject block and an average 85th percentile speed of 33 mph. Therefore, the ADT is below the City’s policy threshold, as required, and the 85th percentile speed is above the City’s policy threshold of 32 mph, as required. Attachment 4 shows a speed and volume summary table based on the data provided by the count vendor. The raw data can be made available if desired.
Based on the performed engineering technical studies and resident approvals in accordance with the City’s policy, staff recommends proceeding with the installation of speed cushions along the 800 block of N Lucia Avenue.
After a site visit by the City’s engineers, speed cushions are proposed to be located at the following locations:
In front of 815 and 818 N Lucia Avenue
In front of 831 and 834 N Lucia Avenue
These specific locations were determined to provide the most effective speed control along the subject block and be located outside of resident driveways. As required per the City’s policy, residents at 815 Units B & C, 818, 831, and 834 Unit A signed the petition in support of the installation at their address.
Speed cushions and associated signage and striping would be installed in accordance with the California Manual on Uniform Traffic Control Devices (CAMUTCD) and engineering judgement. Street parking removal would not be required upon installation of speed cushions along this block. Attachment 5 shows the proposed locations of the speed cushions.
ALTERNATIVES AVAILABLE:
1. Recommend staff advance consideration of speed cushions along the 800 block of N Lucia Avenue to the City Council.
2. Do not support the recommendation from staff.
3. Other actions as determined by the Public Works and Sustainability Commission.
COORDINATION:
Coordination of the resident survey and engineering evaluation and this report took place within the Public Works Department. Noticing for this meeting was provided to the residents of the subject block. Traffic data was collected by an outside vendor.
Prepared by:
Ryan Liu, Transportation Engineer
Submitted by:
Ted Semaan, Public Works Director
ATTACHMENTS:
1. Existing Conditions Map
2. Speed Cushion Petition Signatures
3. City Speed Cushion Policy and Criteria
4. Speed and Volume Data Summary
5. Proposed Speed Cushion Locations
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wy PETITION FOR SPEED CUSHIONS STUDY
We, the undersigned, desire, agree with. and request the installation of speed cushions on the following block and street:
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By signing this petition. I agree with the following:
o The final design and location of the speed cushions, signs. and/or markings will be determined by the City of Redondo Beach For your informatron, speed cushions are three (3) inches high. six (6) feet long. and six and one-half (6.5) feet wide. . Speed cushions, signs, and/or markings may be placed in front of my residence. (DO NOT SIGN THIS PETITION if you do not want speed cushions, signs. and/or markings to be placed in front of your residence.) . Speed cushions may have a direct impact on my property and lravel activities. . Speed cushions may result in noise.
. Street sweeping adjacent to speed cushions may be minimal.
By signing this petition. I acknowledge that I have read the attached "Traffic Calming - Speed Cushlon lnstallation Process."
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By signing thas petition. I agree with the following:
. The flnal design and location of the speed cushions, signs, and/or markings will be determined by the City of Redondo Beach.
For your information, speed cushions are three (3) inches high. six (6) feet long. and six and one-half (6.5) feet wide. . Speed cushions, signs, and/or markings may be placed in front of my residence. (Do NOT slGN THIS PETITION if you do nol wanl speed cushions, signs. and/or markings to be placed in front of your residence.) . Speed cushions may have a direct impact on my property and travel activities. . Speed cushions may result in nolse.
. Streel sweeping adjacent to speed cushtons may be minimal.
By signing this petition. I acknowledge that I have read the attached "Traffic Calming - Speed Cushion lnstallation Process "
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INSTRUCTIONS: This petition is required to anitiate a study to delermine the feasibility of installing speed cushions on a block and does not grarar,lee that speed cushions will be wananted nor commit the City of Redondo Beach to the installation of speed cushions on the study 6lock. This petition is to be submitted to the City Engineer within six months from the date of the first sionature after being signed by those occupants representing more lhan 2/3 of the residential units comprising not less than 50% of the street frontage requesting the speed cushion. The votes will be tallied based upon one vote per dwelling unit. Signatures must be dated; Lndated signatures will not be tallied.
We, the undersigned, desire, agree with, and request the installation of speed cushions on the following block and street:
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Block
By signing this petition, I agree with the following
. The final design and location of the speed cushions, signs, and/or markings will be determined by the City of Redondo Beach For your information, speed cushions are three (3) inches high. six (6) feet long. and six and one-hal{ (6.5) feet wide. . Speed cushions, signs, and/or markings may be placed in front of my residence. (DO NOT SIGN THIS PETITION if you do not want speed cushions, signs, and/or markings to be placed in front of your residence.) . Speed cushions may have a direct impact on my property and travel activities. . Speed cushions may result in noise.
. Street sweeping adjacent to speed cushions may be minimal.
By signing this petition. I acknowledge that I have read the attached "Traffic Calming - Speed Cushion lnstallation Process." Street Name
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PETITION FOR SPEED CUSHIONS STUDY
We, the undersigned, desire, agree with, and request the installation of speed cushions on the following block and street:
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Block
By signing this petition, I agree with the following:
o The final design and location of the speed cushions, signs, and/or markings will be determined by the City of Redondo Beach.
For your information, speed cushions are three (3) inches high, six (6) feet long, and six and one-half (6.5) feet wide' . Speed cushions, signs, and/or markings may be placed in front of my residence. (DO NOT SIGN THIS PETITION if you do not want speed cushions, signs, and/or markings to be placed in front of your residence.) . Speed cushions may have a direct impact on my property and travel activities. . Speed cushions may result in noise.
. Street sweeping adjacent to speed cushions may be minimal.
By signing this petition, I acknowledge that I have read the attached "Traffic Calming - Speed Cushion lnstallation Process." INSTRUCTIONS ThIS petition IS req U Ired to nitiate a study to determt ne the feasi bititv of insta I ing speed cU shtonS on a block and does not guarantee nted it the c ty of Red do Beach to the nstallation of peed hions on the Study that speed cushtons be warra nor comm on s cuS block. ThiS petition iS to be SU bmitted to the citv Ens neeI within six months from the date of the first sionature after bei n s stg ned by thos occupants representing more than 2t3 of the res dentiaI units compnSing not less than 500/ of the street frontage requCSt ns the speed cuShron The voteS I be talI ied based upon one vote r dwel I In U n t signatures mUSt be dated undated natures wt I not be taI ed
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INSTRUCTIONS: This petition is required to initiate a study to determine the feasibility of installing speed cushions on a block and does not guaranlee that speed cushions will be wananted nor commit the City of Redondo Beach to the installatron of speed cushions on the study block. This petition is to be submitted to the City Engineer within six months from the date of the first sionature after being signed by those uesting the speed
PETITION FOR SPEED CUSHIONS STUDY
speed cushions, signs. and/or markings to be placed in front of your residence.) may have a direct impact on my property and travel activities. may result in noise.
adjacent to speed cushions may be minimal.
I acknowledge that I have read the attached "Traffic Calming - Speed Cushion lnstallation Proc€ss." occupants representing more than 2/3 of the residential units comprising not less than 50% of the street frontage req cushion. The votes will be tallied based upon one vote per dwelling unit. Signatures must be dated: undated signatures w We, the undersigned, desire, agree with. and request the installation of speed cushions on the following block and street:
ill not be tallied
Block Street Name
By signing this petition. I agree with the following:
. The final design and location of the speed cushions, signs. and/or markings will be determined by the City of Redondo Beach For your tnformation, speed cushions are three (3) inches high. six (6) feet long. and six and one-half (6.5) feet wide. . Speed cushions, signs, and/or markings may be placed in front of my residence (DO NOT SIGN THIS PETITION rf you do not want
. Speed cushions
. Speed cushions
. Street sweeping
By signing this petition.
NAME (PRINTEP)
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SIGNATURE ADDRESS
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PHONE EMAIL
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Rev. March 3, 2021 1 of 3
TRAFFIC CALMING - SPEED CUSHION INSTALLATION APPLICATION PROCESS
1. Petition
Residents may begin the petition process for installation of speed cushions by requesting a “Traffic Calming – Speed Cushion Petition” form from the Traffic Engineer. A petition form will be supplied if the proposed speed cushion location is not on one of the predetermined “Exemption Routes” or is otherwise not technically allowable on the block in question. Due to limited funding, the City will only commit resources towards investigating and processing the speed cushion installation request upon receiving the completed petition, which must satisfy the following criteria:
1. At least two-thirds of the residents within the block affected have signed the petition in favor of installing a speed cushion on the street in question.
2. Each signature must be identified by a corresponding typed or printed name, address, and telephone number.
3. Only one vote is permitted per dwelling unit for purposes of tallying the two-thirds majority.
4. The two-thirds majority vote must also constitute no less than 50% of the developed frontage or side-yard of the block submitted for the proposed speed cushion.
5. If the petition includes the address of a large scale complex (such as an apartment or school), the residents must obtain the signature of the principal of the affected school or the owner of the complex for that property to be included as a valid vote.
2. Installation Criteria
The following criteria shall be considered in evaluating a location for the possible installation of speed cushions. Should the criteria not be met, subsequent requests will not be considered for a minimum of one year.
1. Engineering Study/Speed Survey
Speed cushions shall only be installed to address documented safety or traffic concerns supported by traffic engineering studies, and after consideration of alternative traffic control measures. Potential impacts such as traffic diversion, noise and general roadway discomfort of traversing a vertical deflection type device should be taken into consideration.
2. Street Type
Speed cushions shall only be installed on local neighborhood residential streets. Some residential streets have been identified by the Fire Department as critical access routes, and therefore will Public Works Department
Engineering Services Division
415 Diamond Street
Redondo Beach, California 90277
www.redondo.org
tel: 310 318-0661
fax: 310 374-4828
Rev. March 3, 2021 2 of 3
not have speed cushions installed. The emergency access routes and the non-residential streets are identified as being exempt from speed cushion installation, and are shown on Figure 1.
3. Number of Lanes
Speed cushions shall only be used on streets with no more than one travel lane in each direction.
4. Street Grades
Speed humps shall only be used on streets with grades of 8% or less (per the recommendation of the Institute of Transportation Engineer’s Study on speed humps – grades steeper than 8% increase the braking distance thereby resulting in unsafe faster travel over the speed hump).
5. Street Alignment
Speed cushions shall only be placed on horizontal curves with a centerline radius that is equal to or greater than 300 feet, or on vertical curves with more than the minimum stopping sight distance.
6. Speed limit
Speed cushions shall only be installed on streets where the posted or prima facie speed limit is 25 mph or less.
7. Speed Survey
Speed cushions shall only be installed at locations where a 24-hour speed survey indicates that the 85th percentile speed exceeds the posted speed limit by 7 mph or more (85th percentile speed 32mph+).
8. Traffic Volumes
Speed Cushions should only be considered for installation on residential streets with an average daily traffic volume between less than 3000 vehicles per day.
9. Not on Exemption Routes
Speed Cushions shall only be installed on streets without fixed transit routes or not designated as Emergency (Fire) Access Routes.
3. Approval Process
1. When the Engineer determines the street segment requested for speed cushion installation qualifies for speed cushions, he will refer the recommendation of the street segment for speed cushion installation to the Public Works Commission.
2. The Public Works Commission will then conduct a public meeting for said speed cushion installation. Notice of such public meeting shall be mailed to the property owners and to the occupants of each parcel on and adjacent to the street segment recommended for speed cushion installation.
3. The Public Works Commission will submit a recommendation (whether it be an approval or denial of the requested speed cushion) to the City Council. Opposition to the decision should be appealed to the City Council prior to the City Council’s decision. The appeal may be a petition or written letter (or digital correspondence) delivered to the City Clerk’s office or the Traffic Engineer.
4. The City Council will adopt a resolution for implementation upon approving the installation of a speed cushion.
Rev. March 3, 2021 3 of 3
5. The proposed speed cushion will begin the design and implementation phase once City Council has appropriated sufficient funding to cover costs. If funding is not immediately available, the approved speed cushion segment would be placed on a priority list waiting for the next available funding source.
4. Removal Process
1. The Traffic Engineer will supply a petition, upon request from a resident, to remove a speed cushion. The petition shall satisfy the same criteria within Part 1, #1 – 5 of this document.
2. When the Traffic Engineer determines the petition requesting removal of a speed cushion qualifies, he will refer the petition for removal of the speed cushion to the Public Works Commission. The Traffic Engineer’s staff report shall include recent speed and traffic volume data, collected within the previous 9 months, about the neighborhood. The speed and traffic volume data will exclude school summer vacation months.
3. The Public Works Commission will then conduct a public meeting for said speed cushion removal.
Notice of such public meeting shall be mailed to the property owners and to the occupants of each parcel on and adjacent to the street segment recommended for the speed cushion removal.
4. The Public Works Commission will submit a recommendation (whether it be an approval or denial of the removal of speed cushion) to the City Council. Opposition to the decision should be appealed to the City Council prior to the City Council’s decision. The appeal may be a petition or written letter (email) delivered to the City Clerk’s office and the Traffic Engineer.
5. The City Council will adopt a resolution upon approving the removal of a speed cushion.
Any inquiries can be directed to:
City Traffic Engineer
415 Diamond Street, Door 2
Redondo Beach, CA. 90277
(310) 318-0661
800 Block N Lucia Avenue
Speed and Volume Summary
DATE
NORTHWEST
VOLUME
(VEH/DAY)
SOUTHEAST
VOLUME
TOTAL DAILY
VOLUME
NORTHWEST 85TH
% SPEED (MPH)
SOUTHEAST 85TH
% SPEED
TOTAL 85TH %
SPEED
Friday, 20 October 2023 247 265 512 33 32 33
Saturday, 21 October 2023 195 218 413 32 32 32
Sunday, 22 October 2023 162 194 356 33 32 32
Monday, 23 October 2023 222 210 432 33 32 33
Tuesday, 24 October 2023 268 231 499 34 33 34
Wednesday, 25 October 2023 279 255 534 31 30 31
Thursday, 26 October 2023 238 250 488 34 33 33
AVERAGE DAILY VOLUME (TWO-WAY) 462
AVERAGE 85TH % SPEED 33
REQUIRED SPEED FOR SPEED CUSHIONS 32