Traffic Operations
Speed Study Analyzer
Paste your frequency table to instantly calculate the 85th Percentile Speed and the 10 mph Pace.
Data Input
Required Format (Excel/CSV):
Two columns: Speed (or Range) and Frequency.
Example:
28-29, 1
30-31, 0
32-33, 3
Statistical Results
85th Percentile Speed
mph
The speed at or below which 85% of vehicles travel. Used to establish speed limits.
10 mph Pace Speed
mph
Contains vehicles (% of total)
No Data Processed
Enter data and click calculate to view statistics and charts.
Speed Distribution Histogram
| Speed Class (mph) | Frequency | Cum. Freq | Cum. % |
|---|---|---|---|
| Pace |