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BTS Home
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Journal of Transportation and Statistics
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Volume 9 Number 1
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Paper 3
Table 5 Speed Comparison with Changes in Traffic Control Devices
Excel
|
CSV
Route
Function class
Measured speed (mph)
Initial AES (mph)
Updated AES (mph)
Change
US 41A
2
43.7
60.4
41.3
12 signals added
US 68
2
47.9
59.9
46.1
9 signals added, lower speed limits (up to 30 mph reduction)
KY 107
7
47.4
52.3
52.4
2 stop signs added
KY 109
7
46.2
59.6
55.6
11 signals added
KY 164
7
51.2
56.5
48.2
Lower speed limit (up to 10 mph reduction)
KY 380
16
32.0
23.2
25.2
1 signal removed
US 41
16
31.6
39.5
35.2
1 signal added, lane width reduced
KY 911
17
36.8
30.0
34.9
1 signal removed
KY 1007
17
32.0
27.9
32.0
Speed limit increased (up to 10 mph)
Key: AES = average estimated speed.
