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TC - Item 3A - Red Curb Review at the Northeast Corner Curb Ramp of Rio Hondo Avenue and Olney Street R OSEMEAD T RAFFIC C OMMISSION S TAFF R EPORT TO:TRAFFIC COMMISSION FROM:MICHAEL CHUNG, P.E., DIRECTOR OF PUBLIC WORKS DATE:NOVEMBER 4,2021 SUBJECT:RED CURB REVIEW AT THE NORTHEASTCORNER CURB RAMP OF RIO HONDO AVENUE AND OLNEY STREET SUMMARY On behalf of the City of Rosemead, engineering staff completed a traffic review and recommended corner of Rio Hondo Avenue and Olney Street. The City of Rosemead received a resident request to evaluate the curb markings for the northeast corner curb ramp of Rio Hondo Avenue and Olney Street. The request from the resident was for handicapped parking in front of the residence as well as for red curb along the curb on either side of the curb ramp. At the time of this review, the resident has not officially submitted the City of Rosemead Disabled Persons' Parking Policy and Application. The blue curb portion of the request will be evaluated at a later time after the submission of the application. ANALYSIS The traffic review included an analysis of the existing roadway conditions and 5.5-years of available collision data. Rio Hondo Avenue: Rio Hondo Avenue is a north/south local roadway and is approximately 40- Survey, Rio Hondo Avenue is a Minor Arterial and has a posted speed limit of 30 MPH with 25 MPH in the school zones. Rio Hondo Avenue is marked with a double yellow centerline separating opposing traffic. Parking along both sides of Rio Hondo Avenue is allowed anytime except during street sweeping. Land use through this segment of Rio Hondo Avenue is primarily Single Family Residential. City Traffic Commission Meeting November 4, 2021 Page 2 of 2 Olney Street: Olney Street is an east/west roadway and is approximately 36-feet wide, with one lane in each direction. Olney Street has no marked centerline separating opposing traffic and has a marked speed limit of 25 MPH. Parking along both sides (north and south sides) of Olney Street is allowed anytime except during street sweeping. Land use through this segment of Olney Street is primarily Single Family Residential. Collision data was obtained from the computerized collision records system maintained by the State of California called the Statewide Integrated Traffic Records Systems (SWITRS). A review of available collisions that were reported to SWITRS near the intersection of Rio Hondo Avenue at Olney Street, was conducted over a 5.5-year period between January 2016 through October 2021 (available data at the time of traffic review). Based on the information provided, a summary breakdown of the number of collisions per year is shown below. According to the review of the collision history list, there were a total of 2 collisions within 100-feet of the intersection at Rio Hondo Avenue and Olney Street, over the last 5.5 years. Out of the 2 collisions, 1 was broadside, and 1 was head-on. Out of the 2 collisions, both were due to improper turns, and both resulted in property damage only. STAFF RECOMMENDATION After a thorough review of existing field and traffic conditions and per the California Manual on Uniform Traffic Control Devices (CAMUTCD), California Vehicle Code (CVC), based on the traffic review and engineering judgement, it was determined that red curb should be installed on the northeast corner of the intersection at Rio Hondo Avenue and Olney Street on both sides of the curb ramp. A detailed traffic report and proposed figure diagram is attached as Attachment A to this staff report, please refer to the proposed diagram (Figure 3 and 4) in the attachment. Below is a detailed list of the recommendations, these improvements are also shown on Figure 4 of Attachment A: 1. INSTALL RED CURB on the northeast corner of the curb ramp of the intersection at Rio Hondo Avenue and Olney Street on both sides of the curb ramp Prepared by: Jana Robbins, Contract Traffic Engineering Division Attachments: A. Attachment A Technical Traffic Engineering Report TRANSTEch TO: City of Rosemead, Public Works Department FROM: Traffic Engineering, Transtech Engineers, Inc. DATE: October 25, 2021 SUBJECT: Red Curb Review at the Northeast Corner Curb Ramp of Rio Hondo Avenue and Olney Street INTRODUCTION The City of Rosemead received a resident request to evaluate the curb markings for the northeast corner curb ramp of Rio Hondo Avenue and Olney Street. In response to this request and on behalf of the City, engineering staff completed a traffic review and recommended appropriate curb markings near the curb ramp in front of the resident's address at the northeast corner of Rio Hondo Avenue and Olney Street. The request from the resident was for handicapped parking in front of the residence as well as for red curb along the curb on either side of the curb ramp. At the time of this review, the resident has not officially submitted the City of Rosemead Disabled Persons' Parking Policy and Application. The blue curb portion of the request will be evaluated at a later time after the submission of the application. This review is for evaluation for the installation of red curb. The traffic review included an analysis of the existing roadway conditions and 5.5 -years of available collision data. Please refer to Figure 1 below for a vicinity map of the subject location. Figure 1: Vicinity Map CITY OF ROSEMEAD Prepared By: Transtech Engineers, Inc. I Page 1 of 6 Red Curb Review at the NE Corner Curb Ramp of Rio Hondo Avenue and Olney Street EXISTING CONDITIONS Rio Hondo Avenue: Rio Hondo Avenue is a north/south local roadway and is approximately 40 -feet wide, with one lane in each direction at this location. Per the City's Engineering and Traffic Survey, Rio Hondo Avenue is a Minor Arterial and has a posted speed limit of 30 MPH with 25 MPH in the school zones. Rio Hondo Avenue is marked with a double yellow centerline separating opposing traffic. Parking along both sides of Rio Hondo Avenue is allowed anytime except during street sweeping. Land use through this segment of Rio Hondo Avenue is primarily Single Family Residential. Olney Street: Olney Street is an east/west roadway and is approximately 36 -feet wide, with one lane in each direction. Olney Street has no marked centerline separating opposing traffic and has a marked speed limit of 25 MPH. Parking along both sides (north and south sides) of Olney Street is allowed anytime except during street sweeping. Land use through this segment of Olney Street is primarily Single Family Residential. 10 DO 1*11iLTA 1LTA L1T1 \I .—..Mod 117 raw Rio H 4r�ae View of the location request area for red curb evaluation and review. Southbound along Rio Hondo Avenue, prior to Olney Street CITY OF ROSEMEAD Prepared By: Transtech Engineers, Inc. I Page 2 of 6 Red Curb Review at the NE Corner Curb Ramp of Rio Hondo Avenue and Olney Street 4111IIIIIIIuII.IIIIIIIII,,�(IIulU�7HIlUI P� Olney St ?`p Northbound at intersection of Rio Hondo Avenue and Olney Street Iq - y�y'. a _ O _ Rio Hondo Ave ' Eastbound along Olney Street, at intersection with Rio Hondo Avenue idth of small pocket space is approx. 9 -feet wide North-west View along Rio Hondo Avenue (at Olney Street) looking at 9 -ft wide pocket space WON Westbound along Olney Street at intersection with Rio Hondo Avenue I ��I ul uuluipllVull 4 ��JIIPllllal lgf I�,�n� , G�Bhllllllllpl I° ' '"Yst Rio Hondo Ave Eastbound View on Rio Hondo Avenue (North of Olney Street) COLLISION INVESTIGATION Collision data was obtained from the computerized collision records system maintained by the State of California called the Statewide Integrated Traffic Records Systems (SWITRS). A review of available CITY OF ROSEMEAD Prepared by: I ranstech Engineers, Inc. I Page 3 of b Red Curb Review at the NE Corner Curb Ramp of Rio Hondo Avenue and Olney Street collisions that were reported to SWITRS near the intersection of Rio Hondo Avenue at Olney Street, was conducted over a 5.5 -year period between January 2016 through October 2021 (available data at the time of traffic review). Based on the information provided, a summary breakdown of the number of collisions per year is shown below. According to the review of the collision history list, there were a total of 2 collisions within 100 -feet of the intersection at Rio Hondo Avenue and Olney Street, over the last 5.5 years. Out of the 2 collisions, 1 was broadside, and 1 was head-on. Out of the 2 collisions, both were due to improper turns, and both resulted in property damage only. Figure 2 provides a collision diagram for the reported collisions within 100 -feet of the intersection of Rio Hondo Avenue and Olney Street. 2021: 0 Collisions 2020: 1 Collisions 2019: 0 Collisions 2018: 1 Collisions 2017: 0 Collisions 2016: 0 Collisions Table 1—Collision History List Severity 1 -Fatal 2 -Severe Motor Injury collision vehicle, Primary IDV pate Primary Secondary Dirt. Time WyNthe Lighting Type 3 -Other Pedestrian, Collison Factor aM Collision Bln] Otherinfo Road Road week vhiblelcjury Detail Dmriptions 4 -Complaint 'ede Factor of Pain Invoked S -Prop Wm .1 ONS IPDO E- 3 I 4/21/2018 Rio OnIeI, WS 2.116 Tuesday DARKd BROADSIDE 5 I 'KD MOTOR SB LFTMRN DRVR IMPROPTURN o MSDMNR Hondo VEHICLE HRPKDSBMV 2 ]/1]/2020 Rio OnIeY 88'N 1]10 Saturday DARK3T HWON 5 PKD MOTOR NS DRVR HIT PKD IMPROPNRN D MSDMNR Hondo YWXICIB Saw Red Curb Review at the NE Corner Curb Ramp of Rio Hondo Avenue and Olney Street RECOMMENDATIONS After a thorough review of existing field and traffic conditions and per the California Manual on Uniform Traffic Control Devices (CAMUTCD), California Vehicle Code (CVC), based on the traffic review and engineering judgement, it was determined that red curb should be installed on the northeast corner of the intersection at Rio Hondo Avenue and Olney Street on both sides of the curb ramp. Please refer to Figure 3 and Figure 4 for a visual representation of the proposed conditions. 1. INSTALL RED CURB on the northeast corner of the curb ramp of the intersection at Rio Hondo Avenue and Olney Street on both sides of the curb ramp, as shown below in Figure 3 and Figure 4. Figure 4: Proposed Recommendations, Street View CITY OF ROSEMEAD Prepared by: I ranstech Engineers, Inc. I Page 5 of b Red Curb Review at the NE Corner Curb Ramp of Rio Hondo Avenue and Olney Street Y i l 3522 Rio Ho.d. rl - - I r �e mwulllllllU �IhIIIIIIIIIIIIIIIIIIsIIVlilliUlllllll�Jlll9 . ���! 1111111:�'lllll{IIIIIIIIIII`hlllllll� ys�t Rio Hondo Avenue - CITY OF ROSEMEAD Prepared by: I ranstech Engineers, Inc. I Page b of b