RajeswariKnowledge Contributor									
															
						Deviation of the actual road gradient from the proposed contou'r gradient up hill side, involves
													Deviation of the actual road gradient from the proposed contou'r gradient up hill side, involves												
												
												
		 
                    
Explanation: The deviation of the actual road gradient from the proposed contour gradient on the uphill side typically involves excavation on the centre line.