Implementing unsupervised machine learning to gain a better understanding of the asphalt pavement conditions of Ontario provincial highways

Currently, the Ministry of Transportation of Ontario (MTO) obtains its pavement condition data via the Automated Road Analyzer (ARAN), an automated data collection vehicle and system, as part of its pavement management system activities. However, the pavement surface distress types that ARAN is able to discern are limited to cracking only. Without changing the formula used for the Pavement Condition Index, the pavement performance category …