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Table 2 Average (Leq) Noise levels in dBa, by transit type and measurement location: Greater Toronto Area, April–August 2016

From: Noise exposure while commuting in Toronto - a study of personal and public transportation in Toronto

  Combined Leq Levels Leq levels inside vehicle Leq levels On Platforms p-value*
  No. Leq +/− SD (dBa) Range (dBa) No. Leq +/− SD (dBa) Range (dBa) No. Leq +/− SD (dBa) Range (dBa)  
Subway 156 79.8 +/− 4.0 71.1–87.6 45 76.8 +/−2.6 73–84.4 111 80.9 +/− 3.9 71.1–87.6 <0.0001
Streetcar 10 71.5 +/− 1.8 68.5–73.9 8 71.1 +/− 1.9 68.5–73.9 2 72.9 +/− 0.2 72.8–73.1 0.23
Bus 25 78.1 +/− 4.9 68.2–87.6 12 76.3 +/− 2.3 68.2–87.6- 13 79.7 +/− 6.1 73.1–79.5 0.06
Personal Car 5 67.6 +/− 4.0 61.3–70.9        
Bike 7 81.8 +/− 3.4 76.7–88.2        
Walking 7 73.9 +/− 5.4 67.3–80.1        
  1. *the one-way analysis of variance by measurement location