Noise & Population Impact Data Frequently Asked Questions

TPHA Frequently Asked Questions

Noise Exposure Region

Location

Population

TPHA

Route

DNL Noise Contour (dBA)

County

City / CDP

2000

2010

2016 (est)

2021 (est)

2016 (min)

2016 (max)

2016 (avg)

DAVYJ

>45

San Mateo County

East Palo Alto

8,414

7,206

7,363

7,595

61

61

61

DAVYJ

>45

San Mateo County

Menlo Park

10,159

10,402

10,669

11,059

88

88

88

DAVYJ

>45

Santa Clara County

Palo Alto

6,153

6,363

6,861

7,365

57

57

57