Evaluation of Otta Seal Surfacing for Low-Volume Roads in Iowa
To evaluate the feasibility of Otta seals as an alternative surface treatment on Iowa's low-volume roads and gauge the cost-effectiveness and performance of Otta seals compared to BSTs, the first Otta seal construction project in Iowa was conducted using a double-layer Otta seal over a 6.4 km (4 mi) long existing asphalt pavement with cracks ...