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Traffic Circle Program: Scoring Criteria
Accident History
Points are determined from annual Accident Rates - average number of reported accidents over the past three years. |
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| 0.5 |
If accidents on a midblock section of street exceed 2 per year over the last three years. |
| 1 |
0.5 - 0.875 |
| 2 |
0.876 - 1.250 |
| 3 |
1.251 - 1.625 |
| 4 |
1.626 - 2.000 |
| 5 |
2.001 - 2.375 |
| 6 |
2.376 - 2.750 |
Traffic Volumes
(Vehicles per Day - Average Weekday Traffic) |
| Points |
Traffic Volumes |
| 0.5 |
500 - 1100 |
| 1.0 |
1101 - 1700 |
| 1.5 |
1701 - 2300 |
| 2.0 |
2301 - 2700 |
Traffic Speeds
(85th Percentile Speed) |
| Points |
Traffic Speeds (mph) |
| 0.5 |
26 - 29 |
| 1.0 |
29.1 - 32 |
| 1.5 |
32.1 - 35 |
| 2.0 |
35.1 - 38 |
| 2.5 |
38.1 - 41 |
| 3.0 |
41.1 - 44 |
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