All Aboard Florida Draft Environmental Impact Statement 

Affected Environment and  

Environmental Consequences   4‐1 August 18, 2013

    Deliberative Draft

Appendix 4.2.2-B Noise Impact Tables 

Table 1. Summary of Impact Contour Distances for East‐West Corridor Brevard (EW) County and

Alternative A

Pop. Density

Existing

Ambient

Noise from

Pop. Density

(Ldn)

Track

Alignment County

Category 1 Category 2 Category 3

Mod.

Impact

(feet)

Severe

Impact

(feet)

Mod.

Impact

(feet)

Severe

Impact

(feet)

Mod.

Impact

(feet)

Severe

Impact

(feet)

Alternative A – Section H9, H8 and H7

<1000 35 to 45 At‐grade Brevard (EW) 100 none 105 none none none

<1000 35 to 45 Elevated Brevard (EW) 325 55 345 60 65 none

1000‐3000 50 At‐grade Brevard (EW) 100 none 105 none none none

1000‐3000 50 Elevated Brevard (EW) 230 55 240 60 65 none

Alternative A – Section H6, H5, H4, H3 and H2

<1000 35 to 45 At‐grade Orange (East) 125 none 130 none none none

<1000 35 to 45 Elevated Orange (East) 385 70 400 75 85 none

1000‐3000 50 At‐grade Orange (East) 125 none 130 none none none

1000‐3000 50 Elevated Orange (East) 245 70 250 75 85 none

Alternative A – Section H1

<1000 35 to 45 At‐grade Orange (West) none none none none none none

<1000 35 to 45 Elevated Orange (West) none none none none none none

1000‐3000 50 At‐grade Orange (West) none none none none none none

1000‐3000 50 Elevated Orange (West) none none none none none none

Source: AMEC

   
All Aboard Florida Draft Environmental Impact Statement 

Affected Environment and  

Environmental Consequences   4‐2 August 18, 2013

    Deliberative Draft

Table 2. Summary of Impact Contour Distances for East‐West Corridor Alternative C

Pop. Density

Existing

Ambient

Noise from

Pop. Density

(Ldn)

Track

Alignment County

Category 1 Category 2 Category 3

Mod.

Impact

(feet)

Severe

Impact

(feet)

Mod.

Impact

(feet)

Severe

Impact

(feet)

Mod.

Impact

(feet)

Severe

Impact

(feet)

Alternative C – Section H6 and H2

<1000 35 to 45 At‐grade Orange (East) 125 none 130 none none none

<1000 35 to 45 Elevated Orange (East) 385 70 400 75 85 none

1000‐3000 50 At‐grade Orange (East) 125 none 130 none none none

1000‐3000 50 Elevated Orange (East) 245 70 250 75 85 none

Alternative C – Section H5

<1000 35 to 45 At‐grade Orange (East) 290 80 285 80 105 none

<1000 35 to 45 Elevated Orange (East) 750 175 530 180 240 60

1000‐3000 50 At‐grade Orange (East) 195 80 165 80 105 none

1000‐3000 50 Elevated Orange (East) 325 145 270 145 170 60

Alternative C – Section H4 and H3

<1000 35 to 45 At‐grade Orange (East) 225 none 235 none 55 none

<1000 35 to 45 Elevated Orange (East) 520 135 530 145 175 none

1000‐3000 50 At‐grade Orange (East) 160 None 165 none 55 none

1000‐3000 50 Elevated Orange (East) 325 135 270 145 145 none

Alternative C – Section H1

<1000 35 to 45 At‐grade Orange (West) none None none none none none

<1000 35 to 45 Elevated Orange (West) none None none none none none

1000‐3000 50 At‐grade Orange (West) none None none none none none

1000‐3000 50 Elevated Orange (West) none None none none none none

Source: AMEC

   
All Aboard Florida Draft Environmental Impact Statement 

Affected Environment and  

Environmental Consequences   4‐3 August 18, 2013

    Deliberative Draft

Table 3. Summary of Impact Contour Distances for East‐West Corridor Alternative E

Pop. Density

Existing

Ambient

Noise from

Pop. Density

(Ldn)

Track

Alignment County

Category 1 Category 2 Category 3

Mod.

Impact

(feet)

Severe

Impact

(feet)

Mod.

Impact

(feet)

Severe

Impact

(feet)

Mod.

Impact

(feet)

Severe

Impact

(feet)

Alternative E – Section H6 and H2

<1000 35 to 45 At‐grade Orange (East) 125 none 130 none none none

<1000 35 to 45 Elevated Orange (East) 385 70 400 75 85 none

1000‐3000 50 At‐grade Orange (East) 125 none 130 none none none

1000‐3000 50 Elevated Orange (East) 245 70 250 75 85 none

Alternative E – Section H3, H4 and H5

<1000 35 to 45 At‐grade Orange (East) 225 none 235 none 55 none

<1000 35 to 45 Elevated Orange (East) 520 135 530 145 175 none

1000‐3000 50 At‐grade Orange (East) 160 none 165 none 55 none

1000‐3000 50 Elevated Orange (East) 325 135 270 145 145 none

Alternative E – Section H1

<1000 35 to 45 At‐grade Orange (West) none none none none none none

<1000 35 to 45 Elevated Orange (West) none none none none none none

1000‐3000 50 At‐grade Orange (West) none none none none none none

1000‐3000 50 Elevated Orange (West) none none none none none none

Source: AMEC

   
All Aboard Florida Draft Environmental Impact Statement 

Affected Environment and  

Environmental Consequences   4‐4 August 18, 2013

    Deliberative Draft

Table 4. Summary of Impact Contour Distances for North‐South Corridor

Pop. Density

Existing

Ambient

Noise

from Pop.

Density

Track

Alignment County

Category 1 Category 2 Category 3

Mod.

Impact

(feet)

Severe

Impact

(feet)

Mod.

Impact

(feet)

Severe

Impact

(feet)

Mod.

Impact

(feet)

Severe

Impact

(feet)

North‐South Corridor Alternative – Palm Beach

<1000 35 to 45 Mainline Palm Beach 60 none none none none none

<1000 35 to 45 Crossing Palm Beach 2090 450 590 75 555 55

1000‐3000 50 Mainline Palm Beach 60 none none none none none

1000‐3000 50 Crossing Palm Beach 950 285 345 75 345 55

3000‐10,000 55 Mainline Palm Beach 60 none none none none none

3000‐10,000 55 Crossing Palm Beach 705 285 345 75 345 55

10,000‐30,000 60 Mainline Palm Beach 60 none none none none none

10,000‐30,000 60 Crossing Palm Beach 345 215 245 75 240 55

>30,000 65 Mainline Palm Beach 60 none none none none none

>30,000 65 Crossing Palm Beach 255 145 245 75 150 55

North‐South Corridor Alternative – Martin

<1000 35 to 45 Mainline Martin 60 none none none none none

<1000 35 to 45 Crossing Martin 2110 465 625 75 570 60

1000‐3000 50 Mainline Martin 60 none none none none none

1000‐3000 50 Crossing Martin 945 290 350 75 345 60

3000‐10,000 55 Mainline Martin 60 none none none none none

3000‐10,000 55 Crossing Martin 700 290 350 75 345 60

10,000‐30,000 60 Mainline Martin 60 none none none none none

10,000‐30,000 60 Crossing Martin 345 215 245 75 240 60

>30,000 65 Mainline Martin none none none none none none

>30,000 65 Crossing Martin 255 145 245 75 150 60

North‐South Corridor Alternative – St. Lucie

<1000 35 to 45 Mainline St. Lucie 80 none none none none none

<1000 35 to 45 Crossing St. Lucie 2115 460 620 75 570 60

1000‐3000 50 Mainline St. Lucie 80 none none none none none

1000‐3000 50 Crossing St. Lucie 950 290 345 75 345 60

3000‐10,000 55 Mainline St. Lucie 80 none none none none none

3000‐10,000 55 Crossing St. Lucie 705 290 345 75 345 60

10,000‐30,000 60 Mainline St. Lucie 80 none none none none none

10,000‐30,000 60 Crossing St. Lucie 345 215 245 75 240 60

>30,000 65 Mainline St. Lucie 60 none none none none none

>30,000 65 Crossing St. Lucie 255 145 245 75 150 60

North‐South Corridor Alternative – Indian River

<1000 35 to 45 Mainline Indian River 100 none none none none none

<1000 35 to 45 Crossing Indian River 2110 460 600 75 565 55

1000‐3000 50 Mainline Indian River 100 none none none none none

1000‐3000 50 Crossing Indian River 955 290 345 75 345 55
All Aboard Florida Draft Environmental Impact Statement 

Affected Environment and  

Environmental Consequences   4‐5 August 18, 2013

    Deliberative Draft

Pop. Density

Existing

Ambient

Noise

from Pop.

Density

Track

Alignment County

Category 1 Category 2 Category 3

Mod.

Impact

(feet)

Severe

Impact

(feet)

Mod.

Impact

(feet)

Severe

Impact

(feet)

Mod.

Impact

(feet)

Severe

Impact

(feet)

3000‐10,000 55 Mainline Indian River 100 none none none none none

3000‐10,000 55 Crossing Indian River 710 290 345 75 345 55

10,000‐30,000 60 Mainline Indian River 100 none none none none none

10,000‐30,000 60 Crossing Indian River 345 220 245 75 240 55

>30,000 65 Mainline Indian River 70 none none none none none

>30,000 65 Crossing Indian River 260 145 245 75 150 55

North‐South Corridor Alternative – Brevard (NS)

<1000 35 to 45 Mainline Brevard (NS) 80 none none none none none

<1000 35 to 45 Crossing Brevard (NS) 2100 455 600 75 560 55

1000‐3000 50 Mainline Brevard (NS) 80 none none none none none

1000‐3000 50 Crossing Brevard (NS) 950 285 345 75 345 55

3000‐10,000 55 Mainline Brevard (NS) 80 none none none none none

3000‐10,000 55 Crossing Brevard (NS) 705 285 345 75 345 55

10,000‐30,000 60 Mainline Brevard (NS) 80 none none none none none

10,000‐30,000 60 Crossing Brevard (NS) 345 220 245 75 240 55

>30,000 65 Mainline Brevard (NS) 65 none none none none none

>30,000 65 Crossing Brevard (NS) 255 145 245 75 150 55

Source: AMEC