AUTOMATED SPEED ENFORCEMENT
Calculation Audit Trail
Corridor
Corridor Name
I-65 Corridor
Gantry A
Downtown Indy Gantry
Gantry B
Lebanon Gantry
Surveyed Distance
12.5 mi
Enforcement
Posted Limit
65 mph
Active Threshold
75 mph (posted + 10)
Subject Vehicle
Plate (Synthetic)
DEMO-7338
Vehicle Class
Not on file
Read 1 — Gantry A
Gantry
Downtown Indy Gantry
Location
I-65 southbound near downtown Indianapolis
Coordinates
39.7800, -86.1600
Timestamp
2026-09-04T12:39:38.185
Plate Read Confidence
99.4%
Read 2 — Gantry B
Gantry
Lebanon Gantry
Location
I-65 southbound near Lebanon
Coordinates
40.0500, -86.2900
Timestamp
2026-09-04T12:49:21.505
Plate Read Confidence
89.5%
Time-Over-Distance Calculation
Surveyed Distance
12.5 mi
Elapsed Time
09:43.320 (MM:SS.mmm)
Calculated Avg Speed
77.1 mph
Posted Limit Delta
+12.1 mph
Threshold Check
Active Threshold
75 mph
Result
EXCEEDED
Magnitude over Threshold
+2.1 mph
Edge Case Checks
Inferred Stop Between Gantries
None
Plate Read Confidence A ≥ 95%
PASS
(99.4%)
Plate Read Confidence B ≥ 95%
FAIL
(89.5%)
Timestamp Anomaly Check
PASS
Confidence Score
94.5
/ 100
Methodology: confidence score is the mean of the two plate read confidences, adjusted for any failed edge case check. Reads below 95% trigger a flag for review. Stop-time and timestamp-anomaly failures suppress automatic issuance.
Payment
Status
Past due
Date Paid
not yet paid
Payment Method
Not yet paid
Fine Amount
$150.00
Reviewer
Reviewer
Pending review