# Civil Engineering - Highway Engineering - Discussion

### Discussion :: Highway Engineering - Section 2 (Q.No.42)

42.

The extra widening of pavements recommended by Indian Roads Congress for hill roads having radius 150 metres, is

 [A]. 1.5 m [B]. 1.0 m [C]. 0.5 m [D]. 0.0 m [E]. 2.0 m

Answer: Option D

Explanation:

No answer description available for this question.

 Gopi said: (Nov 9, 2015) r>300 only extra widening is provided.

 Ng Reddy said: (Sep 28, 2016) r > 300 there is no need extra widening.

 Anshu said: (Nov 23, 2016) 150 < 300 so extra widening is provided.

 Bappa said: (Feb 11, 2017) As the radius 150 less than 300m, so widening of curves provide by.0.6m (when r=101 to 300) for two lane. So given answer is wrong.

 Asita said: (Feb 17, 2017) Extra widening of single lane pavements is 'Nil' for radius 101 to 300.

 Roy said: (Oct 24, 2017) Provision of extra widening is nil, for a single lane of radius greater than 60m and for two-lane greater than 300 m.

 Madhu said: (Dec 29, 2017) For single lane road r>100 , extra widening=0 For double lane road r>300, extra widening=0 In question, they have not mentioned whether it is a single lane or double lane road. so the question is contradictory.

 Jayaprakash said: (Jun 16, 2018) As this is a hill roads no extra widening is provided.

 Abhishek said: (Oct 7, 2018) FOR SINGLE LANE ROAD R>100 Ew=0. FOR TWO LANE ROAD R>300 Ew=0.

 Manish said: (Sep 6, 2019) 150 lies between 5>R>300, so EW provide in both side.

 Anirban Roy said: (Aug 24, 2020) For 1 lane road if R>60--> Ew= 0. For 2 lane road if R>300--> Ew= 0.

 Ravinder said: (Sep 7, 2020) Agree with you, thanks @Manish.

 Vipul said: (Nov 29, 2020) Recommended by Indian Roads Congress. For hill roads, the radius 150 metres no need to provide extra widening for any type of Road.

 Mangesh said: (Dec 26, 2020) As per IRC if r>300 then no need to provide extra widening. If r<50 then extra widening provided on only one side. And if 'r' is 8n between 50 to 300m then extra widening provided on both sides.

 Binod said: (Jul 1, 2021) As per IRC, in hilly roads r>50m, so no need to provide extra widening.

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