Abstract
Some of the primary geotechnical and geometric issues considered in upgrading of a 12 km section of Highway 40:34 situated in hilly terrain are presented and discussed. Steep grades, erosions, substandard curves, sharp shoulders, rock slopes, soft ground. Wetlands, and the proximity of natural lakes to the highways were some of the features addressed in ensuring a satisfactory design and end product. This case study illustrates the importance of addressing geotechnical, geometric and construction issues simultaneously at the design stage, especially for highways in hilly terrain.
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