Civil Engineering - Highway Engineering - Discussion


While calculating the sight distances, the driver's eye above road surface, is assumed

[A]. 90 cm
[B]. 100 cm
[C]. 110 cm
[D]. 120 cm
[E]. 150 cm

Answer: Option D


No answer description available for this question.

Kiran said: (Aug 22, 2016)  
It should 0.15 m.

Kailash said: (Sep 24, 2016)  
For ss & osd HI is 1.2m.

Lopamudra said: (Dec 15, 2016)  
The driver's eye should be 1.2 m where the object height should be .15 m.

Vaibhav said: (Feb 5, 2019)  
It should be 4 feet above the road surface.

Alia said: (Mar 29, 2019)  
Thanks @Lopamudra.

Dinesh said: (Oct 18, 2019)  

Object height is not 15m. It is 0.15 m = 15 cm.

Roshan said: (Dec 8, 2019)  
IRC has suggested the height of the eye level of the driver as 1.2m and the height of the object as 0.15m above the ground surface.

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