The desirable camber for straight roads with water bound macadam or gravel surface, is

- 1
  
  1 in 33 to 1 in 25
- 2
  
  1 in 40 to 1 in 33
- 3
  
  1 in 150 to 1 in 140
- 4
  
  1 in 160 to 1 in 140

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