AUTOMATED SPEED ENFORCEMENT
Calculation Audit Trail
Corridor
Corridor Name
Indiana Toll Road (East)
Gantry A
Elkhart Gantry
Gantry B
South Bend Gantry
Surveyed Distance
11.0 mi
Enforcement
Posted Limit
70 mph
Active Threshold
80 mph (posted + 10)
Subject Vehicle
Plate (Synthetic)
DEMO-7309
Vehicle Class
Van
Read 1 — Gantry A
Gantry
Elkhart Gantry
Location
I-80/90 eastbound near Elkhart
Coordinates
41.6800, -85.9700
Timestamp
2026-09-05T09:48:27.017
Plate Read Confidence
97.2%
Read 2 — Gantry B
Gantry
South Bend Gantry
Location
I-80/90 westbound near South Bend
Coordinates
41.6800, -86.1800
Timestamp
2026-09-05T09:54:57.767
Plate Read Confidence
98.8%
Time-Over-Distance Calculation
Surveyed Distance
11.0 mi
Elapsed Time
06:30.750 (MM:SS.mmm)
Calculated Avg Speed
101.3 mph
Posted Limit Delta
+31.3 mph
Threshold Check
Active Threshold
80 mph
Result
EXCEEDED
Magnitude over Threshold
+21.3 mph
Edge Case Checks
Inferred Stop Between Gantries
None
Plate Read Confidence A ≥ 95%
PASS
(97.2%)
Plate Read Confidence B ≥ 95%
PASS
(98.8%)
Timestamp Anomaly Check
PASS
Confidence Score
98.0
/ 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
Paid
Date Paid
2026-09-04 21:19:10
Payment Method
Online
Fine Amount
$500.00
Reviewer
Reviewer
Pending review