From: Noise exposure while commuting in Toronto - a study of personal and public transportation in Toronto
 | Combined Lmax Levels | Lmax levels inside vehicle | Lmax levels On Platforms | p-value* | ||||||
---|---|---|---|---|---|---|---|---|---|---|
 | No. | Lmax +/− SD (dBa) | Range (dBa) | No. | Lmax +/− SD (dBa) | Range (dBa) | No. | Lmax +/− SD (dBa) | Range (dBa) |  |
Subway | 156 | 109.8 +/− 4.9 | 90.4–123.4 | 45 | 113.3 +/− 2.9 | 106.2–120.3 | 111 | 108.6 +/− 5.3 | 90.4–123.4 | <0.0001 |
Streetcar | 10 | 108.6 +/− 8.1 | 103.5–125.2 | 8 | 109.9 +/− 8.4 | 103.5–125.2 | 2 | 103.5 +/− 0 | 103.5 | 0.33 |
Bus | 25 | 111.7 +/− 10.3 | 89.4–128.1 | 12 | 103.6 +/− 7.0 | 89.4–114.4 | 13 | 120.4 +/− 5.0 | 109.1–128.1 | <0.0001 |
Personal Car | 5 | 114.9 +/− 5.5 | 109.6–122.2 |  |  |  |  |  |  |  |
Bike | 7 | 123.8 +/− 5.5 | 118.6–135 |  |  |  |  |  |  |  |
Walking | 7 | 111.4 +/− 6.1 | 103.5–120.2 |  |  |  |  |  |  |  |