The Vadodara-Waghodia State Highway in India is undergoing a groundbreaking construction process that has never been implemented before in the country. A 4200-meter section of the highway will be built using the cement grouted bituminous mix (CGBM) method, which is known for its long-lasting durability. The Roads and Buildings Department in Vadodara district sought the help of the Central Road Research Institute to address the frequent collapses of a section of Waghodia State Highway. The department allocated Rs. 14 crore to renovate the 16-kilometer stretch from National Highway to Waghodia, passing through Vadodara. The CGBM method involves the use of grout made of cement and other materials, which is spread over small gaps in the asphalt mix to fill in the air voids. This technique is costlier than the traditional method, with a ten percent increase in costs. However, the CGBM method has proven to be highly effective in ensuring the longevity of roads, as evidenced by a road built

Author-Dr.Aishwarya Nair