Mobile and Slow-Moving Operation at Work Zones for Aging Transportation Infrastructure Maintenance

Infrastructure maintenance is very important to the efficiency of our transportation system. In 2020 alone, USDOT spent a total of $24 Billion dollars to preserve national highway systems. In particular, the mobile and slow-moving operations, such as striping, sweeping, bridge flushing, and pothole patching, are critical for efficient and safe operation of a highway transportation system. Performing the maintenance required for a roadway infrastructure, however, could involve risks. Due to its importance, the safety of mobile operations in work zones has received significant attentions over the last few decades, and many technologies have already been developed. The purpose of this document is to review and summarize the technologies that are associated with mobile and slow-moving operation, at work zone locations, to maintain the aging transportation infrastructure with the latest technology.