AUTOMATED SPEED ENFORCEMENT
Calculation Audit Trail
Corridor
Corridor Name
I-65 Corridor
Gantry A
Lebanon Gantry
Gantry B
Downtown Indy Gantry
Surveyed Distance
12.5 mi
Enforcement
Posted Limit
65 mph
Active Threshold
75 mph (posted + 10)
Subject Vehicle
Plate (Synthetic)
DEMO-9619
Vehicle Class
SUV
Read 1 — Gantry A
Gantry
Lebanon Gantry
Location
I-65 southbound near Lebanon
Coordinates
40.0500, -86.2900
Timestamp
2026-09-09T09:39:57.783
Plate Read Confidence
95.8%
Read 2 — Gantry B
Gantry
Downtown Indy Gantry
Location
I-65 southbound near downtown Indianapolis
Coordinates
39.7800, -86.1600
Timestamp
2026-09-09T09:49:09.002
Plate Read Confidence
99.3%
Time-Over-Distance Calculation
Surveyed Distance
12.5 mi
Elapsed Time
09:11.219 (MM:SS.mmm)
Calculated Avg Speed
81.6 mph
Posted Limit Delta
+16.6 mph
Threshold Check
Active Threshold
75 mph
Result
EXCEEDED
Magnitude over Threshold
+6.6 mph
Edge Case Checks
Inferred Stop Between Gantries
None
Plate Read Confidence A ≥ 95%
PASS
(95.8%)
Plate Read Confidence B ≥ 95%
PASS
(99.3%)
Timestamp Anomaly Check
PASS
Confidence Score
97.5
/ 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
Paid
Date Paid
2026-08-29 03:26:10
Payment Method
Online
Fine Amount
$150.00
Reviewer
Reviewer
Pending review