City of Rialto
SYSTEMIC SAFETY ANALYSIS REPORT (SSAR)
JULY 12, 2022
2 SSAR Program Grant
• City submitted grant application to State of California for the Systemic Safety Analysis Report Program (SSARP)
• City was awarded SSARP Grant of $60,000
• September 12, 2017, City Council accepted the grant and authorized Albert Grover & Associates to prepare the Systemic Safety Analysis Report (SSAR)
3 Systemic Safety Analysis Report (SSAR)
• SSAR analyzed three years of collision data from the UC Berkley Transportation Injury Mapping System (TIMS), Rialto Police Department and the Statewide Integrated Traffic Records System (SWITRS) database
• Using data collected over 4 years, total of 2,197 collisions with 23 reported fatal injuries
4 Systemic Safety Analysis Report (SSAR)
• SSAR findings (Collision Severity):
• Majority of traffic accidents are considered low‐severity 34% property damage only (PDO)
61% minor injury
5% having severe pain or fatal injuries
• Broadside accidents have highest incident rate
5 Systemic Safety Analysis Report (SSAR)
6 Systemic Safety Analysis Report (SSAR)
• SSAR findings (Collision Type):
• Traffic accidents are distributed by the following types:
34% broadside
22% rear‐end
22% hit‐and‐run
14% hit object
5% pedestrian
7 Systemic Safety Analysis Report (SSAR)
8 Systemic Safety Analysis Report (SSAR)
• SSAR findings (Primary Collision Factors):
• Traffic accidents are distributed by the Top 5 collision factors:
25% speeding
18% DUI
16% right of way / vehicle conflict
14% improper turn
11% sign/signal violation
9 Systemic Safety Analysis Report (SSAR)
10 Systemic Safety Analysis Report (SSAR)
• Traffic accidents trends by # of collisions is dropping with notable decrease of DUI accidents
11 Systemic Safety Analysis Report (SSAR)
• Roadway Corridors – Foothill Blvd had highest collision rate / mile
12 Systemic Safety Analysis Report (SSAR)
• Intersections – Cedar/Merrill had highest collision rate
13 Highway Safety Improvement Program (HSIP) Cycle 11
• Recommended traffic safety improvements to apply for:
1) Upgrade of Cedar/Merrill to fully protected signal;
2) Upgrade n/s bound (Pepper) at Foothill to fully protected; 3) Upgrade of Baseline/Eucalyptus to fully protected signal; 4) Upgrade n/s bound (Sycamore) at Foothill to fully protected and adding separate left turn lane; and
5) Pedestrian improvements on Riverside Avenue @ Second and Third Street.
14 Recommendations
• Approve SSAR
• Authorize application to Caltrans for HSIP Cycle 11 for $1,750,000 requiring 10% local match of $175,000 funded with Local Measure I funds