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These are some of the results of the traffic study conducted along Astor Drive
during May 11 - 14, 2004. To qualify for the City's
traffic calming project, we needed to show an average of more than 500 cars per day were
traveling the roads and that the 85th percentile speed was at least 7 mph over the
25 mph limit. Based on the traffic study, we do qualify.
| Location | Direction | Average
Speed | % Over
25mph | 85th %
Speed | Avg Daily
Traffic |
| Site A
| N
| 23 mph
| 18.0%
| 31.25 mph
| 530 vpd
|
| Bishops Dr, S of Mayfair Dr
| S
| 22 mph
| 14.0%
| 29.81 mph
| 374 vpd
|
| Site B
| E
| 28 mph
| 55.8%
| 37.11 mph
| 484 vpd
|
| Astor Dr, W of Eaton Dr
| W
| 27 mph
| 43.4%
| 35.23 mph
| 451 vpd
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| Site C
| E
| 26 mph
| 41.5%
| 36.35 mph
| 107vpd
|
| Crail Dr, E of Astor Dr
| W
| 25 mph
| 32.0%
| 33.68 mph
| 230vpd
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| Site D
| N
| 23 mph
| 17.7%
| 31.45 mph
| 229 vpd
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| Astor Dr, S of Shipley Dr
| S
| 21 mph
| 11.0%
| 29.2 mph
| 231 vpd
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| Site E
| N
| 26 mph
| 40.1%
| 34.75 mph
| 294 vpd
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| Astor Dr, N of Pine Hill
| S
| 24 mph
| 30.1%
| 33.61 mph
| 357 vpd
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| Site F
| N
| 30 mph
| 73.2%
| 38.57 mph
| 346 vpd
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| Astor Dr, S of Teton Ln
| S
| 29 mph
| 57.2%
| 37.24 mph
| 314 vpd
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About the 85th Percentile Speed:
- The speed that 85% of motorists drive at or below.
- Put another way, 15% of drivers go faster than this speed.
- Considered the speed at which reasonable, responsible drivers drive.
- The speed standard typically used in traffic engineering design.
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