Evaluation of National Highway by Geographical Information System
Alam, J. B. | Nahar, T. | Shaha, B.
The objective for the development of digital map of Dhaka Sylhet National Highway (N2) is to facilitate the highway transportation organizations. The Dhaka Sylhet National Highway (N2) is 284.9 km. On the basis of International Roughness Index (IRI), it’s 90.8% is good, 7.4% is Fair. The percent of poor section is 1.2 and has a bad section of 0.56%. The Dhaka Sylhet National Highway (N2) has four different pavement widths. Road-length of 272.3 km has a pavement width of 7.5 m. Pavement width 14 m has a road length of 10.4 km. Pavement width 10.2 m and Pavement width 10.3 m each has a road length of 1.1 km. In our study, three major bridges of N2 were suggested to easy traffic movement and safe handling of future traffic.
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