Signal Interlocking Microprocessors

This map shows the location of the project. For projects that do not have a specific location but affect a line/route or the entire system, either the affected lines/routes are shown, or an entire service area map is shown.

If you select the option to “toggle the benefit layer,” you will see an approximation of the area that will benefit from the project.

Each capital project is measured on 15 evaluation metrics to better understand its impact on the region. Learn more about the metrics and see a legend for all measures here.

Click the circled (i) information button to read a definition of each metric and hover over the image to see more about each measure.

The degree to which a project improves regional access to the region’s key destinations. Including jobs, retail, healthcare, recreation, and education.

The project improvements to existing assets to make them partially or fully accessible. Including station/stop and area improvements, vehicle accessibility, and accessible communications.

The project impact to ratings from the FTA Transit Economic Requirements Model (TERM).

The project’s minor or major benefits to riders and what proportion of the agency’s riders will benefit from it.

The project impact on overall capacity, reflecting current and planned levels of utilization.

The project impact on reductions or offsets to greenhouse gas (GHG) emissions generated from transit operations.

Project impacts on land use and development, construction, and long-term jobs.

The distribution of project benefits to location(s) identified under the USDOT Justice40 Program.

The project impact to maintenance or improvement of exposure to risk for riders/employees and the project impact to security enhancement.

The project impact on operating costs.

The project impact to maintenance or improvement of exposure to risk for riders/employees and the project impact to security enhancement.

Project impact on maintenance or improvement of service speed and reliability, considering both direct and indirect impacts.

If required, whether or not the project complies with federal, state, local, or other regulatory mandates.

The project impact to climate benefits, such as a reduction in emissions, generated from mode shift to transit and away from private auto-use.

The Project impact to average vehicle ages, compared with Service board benchmarks to prioritize replacing vehicles that are beyond their useful life.

Evaluation Metric Measure
Access to Key Destinations i
Two green up arrows

Significantly improves Access to Key Destinations

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Accessibility Improvement(s) i
N/A text

Project is not related to accessibility

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Asset Condition (FTA TERM Rating) i
Red gear

Asset(s) rated below 2

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Benefit to Riders i
One green up arrow

Moderate benefit to riders

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Capacity Benefit and Need i
Black line with arrows on each end

Project maintains/returns system to original capacity

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Climate Agency Operating Impacts i
One green down arrow

Supports moderate reduction in emissions

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Economic Impact i
N/A text

No economic impact

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Equity Based on Residential Geography i
N/A text

Project is not location specific or benefits entire service area

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Impact on Customer and Employee Safety i
Black line with arrows on each end

Project maintains current safety levels

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Impact on Operating Cost i
One green down arrow

Decreases operating cost

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Impact on System Security i
N/A text

Project does not impact security

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Impact to Service Speed/Reliability i
One green up arrow

Moderately improves current speed/reliability

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Regulatory Requirements i
Check mark

Project Meets Regulatory Requirements

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Ridership/Mode Shift Impacts i
Black line with arrows on each end

Maintains assets necessary for transit ridership

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Vehicle Useful Life i
N/A text

Asset is not a vehicle with a useful life

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Project Description

This project will replace train controller microprocessors that have become obsolete or that are no longer available to procure due in part to the supply chain and labor shortages caused by the pandemic. The train controller microprocessors have become obsolete, and replacement parts are no longer available