• Assigned Days is the number of dates the VMS assignment report connects the driver to a bus.
• Driver Miles is the driver's total supported mileage. The tool uses trusted same-day start and end pairs first, then estimates only the remaining odometer change across dates with a documented assignment.
• Current Confidence is a distance-data audit, not a behavior grade. It summarizes matched closeout evidence across Recent and Prior periods. Its percentages and review labels do not affect assessment points or qualification. Original records and corrections remain available.
• Closeout Compliance appears inside the expanded driver record. It checks narrow, reviewable handoffs: one reading connected to one driver, followed by a reading connected to a different driver. A matching unscheduled failure, warranty repair, or other operational activity can support an exception. Scheduled service and routine morning cleaning do not. Ambiguous cases remain visible as context but are excluded from the percentage.
• Fuel-Matched Miles is the portion of supported driver mileage that overlaps a usable monthly PowerSpec report for the same bus.
• Vehicle MPG is the combined Actual MPG from the PowerSpec bus-month records connected to the driver's fuel-matched mileage.
• Vehicle/Engine Baseline is the combined Expected MPG for those same bus-months, based on each bus's usable history and buses with the same engine platform.
• Driver Assessment combines comparable-tour Run Driving MPG and Drive MPG. Every enabled component must be complete; there is no overall-MPG fallback or missing-component redistribution. The live formula shows the current moving-fuel percentages. Rankings require supported comparable work as well as the mileage threshold.
• MPG Index compares combined Actual MPG with combined Expected MPG. An index of 100 means expected MPG was met, 105 means 5% above expected, and 95 means 5% below expected.
• Idle/PTO is monthly vehicle context allocated by supported mileage share, not measured avoidable idle by a driver. Its trend compares recent and prior fuel months without points, penalties or a behavior rating. Required cooling, waiting, traffic, staging and PTO receive the benefit of the doubt.
• Trip Share is the driver's weighted portion of the trip miles on their connected bus-months. Its trend shows whether that portion increased or decreased; the share changes how strongly a bus-month counts but does not award points by itself.
• Adjusted Fuel / 1K is the estimated difference in weighted comparison gallons for every 1,000 score-weighted miles. Positive means fewer gallons than expected; negative means more than expected. Sample low means there is not enough supported mileage to display it reliably.
• Primary Bus / Mile Share identifies the bus with the largest portion of that driver's supported mileage and shows its percentage of the driver's total driver miles.

Click a driver's row to review the bus-by-bus and month-by-month records used in the calculation. The detail view shows Drive MPG, Idle/PTO, trip-mile share, and their recent changes. Open Confidence Reductions for the exact bus, odometer-reading interval, affected dates, mileage, and reason for every reduction.

Employment category is an admin-managed label used to separate Full Time, Part-Time, and Inactive comparisons. It does not add or subtract points from the MPG Index.

A finding appears when a driver-entered distance differs from the corrected/current VMS distance, resembles another bus, or may have been corrected on a later date. Defect mileage, NIL post-checks, unscheduled activity, and probable bus swaps are shown beside the original values. Evidence changes the review status; it does not rewrite the source data.

Use the Full Time, Part-Time, Inactive, or All buttons at the top of Driver Performance to choose which drivers appear here. The admin export has its own matching employment-group selector and includes only the selected group.

Open a driver, then open a dated bus entry for the exact submitted value, corrected value, possible alternate buses, resolution reason, supporting report records, and review status. Confirmed and evidence-supported entries remain visible but are separated from unexplained entries. A correction finding does not directly lower MPG Index.

How evidence changes a status: a NIL correction becomes Confirmed only when the corrected vehicle-distance report independently contains that corrected value. A defect submission becomes Supported when its defect record and surrounding odometer sequence validate it. A detailed unscheduled activity becomes Supported when its exact timeline overlaps the handoff window and its completed mileage is within 25 miles of the submitted or corrected value. Scheduled service, routine morning cleaning, invalid timelines, and vague date-only activity cannot automatically clear an alert.

Admin review: an authorized admin sees a note box and review buttons inside every amber alert. Mark Reviewed / Exclude moves an audit-only alert out of the active count without changing Driver Score. If the alert is directly tied to Current Confidence or Closeout Compliance, the control clearly says it is a linked calculation review and uses the existing suspend/reinstate behavior.

Defect mileage validation: the report proves what the driver submitted, but the value is used to fill an odometer gap only when it falls between reliable corrected readings and passes the daily-mileage check. Needs more odometer data means one side of that check is missing. An out-of-range value is marked Needs review. Neither status automatically lowers driver confidence.

How the surrounding range works: the previous and next corrected readings form the allowed odometer window. For example, if VMS shows 10,195.9 miles before the submission and 10,196.0 afterward, a submitted value of 9,763.0 is below both readings. It cannot be inserted into that position without making the odometer move backward, so it is shown for review instead of being accepted or blamed automatically.

What the colors mean: amber needs human review, green has supporting evidence or is confirmed, gray needs more source data, purple was excluded by an admin, and red remains unexplained. Color describes the evidence status—not the driver.

Evidence rules: Scheduled service is excluded from excuse matching. Warranty is evaluated like a failure but remains labeled Warranty. Cleaning completed by 9:30 AM is routine wash activity and does not excuse a closeout. Later cleaning can support a possible bus swap only when the activity time and the driver's move to another bus line up.