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Table 3 Peak (Lmax) Noise levels in dBa, by transit type and measurement location: Greater Toronto Area, Apr – Aug, 2016

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        
  1. *the one-way analysis of variance of Lmax inside vehicle compared with platform