Table 5.9-8 Predicted Existing Vibration Levels with Distance from Railroad Tracks

 

From

To

Operational Speed (mph)

Distance from Track (feet)

FTA Criteria (VdB) *

50

100

150

200

300

Wyomissing

Reading

60

81

75

71

68

64

80

Reading

Klapperthal Junction

45

79

73

68

65

61

80

Klapperthal Junction

Phoenixville

60

81

75

71

68

64

80

Phoenixville

Perkiomen Junction

60

81

75

71

68

64

80

Perkiomen Junction

Norristown

60

81

75

71

68

64

80

Norristown

Cynwyd

60

70

64

60

57

52

80

Cynwyd

Philadelphia

60

70

64

60

57

52

80

South Gulph Road

Hughes Park

45

79

73

68

65

61

80

* [1] Infrequent (less than 70 events per day) Events for Cat. 2 (i.e., residential)