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Leveraging GIS Data for Prioritizing Traffic Safety Service Requests: A Case Study of Oakland
Technology Category
- Functional Applications - Transportation Management Systems (TMS)
- Infrastructure as a Service (IaaS) - Cloud Databases
Applicable Industries
- Cities & Municipalities
- Transportation
Applicable Functions
- Logistics & Transportation
Use Cases
- Traffic Monitoring
- Transportation Simulation
Services
- System Integration
The Challenge
The City of Oakland Department of Transportation (OakDOT) was faced with the challenge of receiving more traffic safety improvement requests than they had the resources to implement. The city needed a method to effectively prioritize these service requests. The challenge was further compounded by the fact that traffic-related incidents were the leading cause of death for people aged 5 to 24, and the second leading cause for all other age groups under 85 in the U.S. Low-income communities and communities of color were more likely to experience traffic-related injury and death. Therefore, the city needed a solution that would not only prioritize service requests but also ensure equity in service delivery.
The Customer
City of Oakland Department of Transportation (OakDOT)
About The Customer
The customer in this case study is the City of Oakland Department of Transportation (OakDOT). OakDOT is responsible for managing the city's transportation infrastructure and ensuring the safety of its residents. The department receives numerous traffic safety improvement requests from residents and other stakeholders. However, due to limited resources, they were unable to address all these requests. Therefore, they needed a solution that would help them prioritize these requests based on various factors such as traffic collision history, land use proximity, and equity. The goal was to ensure that traditionally underserved and high-risk areas are not overlooked.
The Solution
OakDOT implemented an integrated solution for prioritizing traffic safety requests in areas of need. The city integrated their Cityworks public asset management platform with SeeClickFix, a 311 request and work management app known as OAK 311. This app allows residents to report problems they encounter in their community. These reports are then sent to Cityworks as service requests. OakDOT created a data-driven prioritization model that leverages Cityworks and ArcGIS to assign a priority score, or value, to each street segment in the community. Prioritization scores are based on three core variables: traffic collision history, land use proximity, and equity. Each of these factors is weighted equally (33 percent) to calculate the final prioritization score. Once the final prioritization scores are calculated, they are assigned to their respective street segments in GIS. Cityworks then incorporates the GIS layer, provides map visualization, and displays the final prioritization scores in the context of the Cityworks map.
Operational Impact
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