India, July 15 -- The public works department (PWD) on Tuesday tested a mechanised system that can repair a pothole in a few minutes even during wet weather conditions, as it explores ways to carry out road repairs more quickly during the monsoon.

The spray injection patching technology was demonstrated in the presence of PWD minister Parvesh Verma. The system uses a single machine to clean a pothole with high-velocity air, spray a layer of bitumen emulsion and then fill it with emulsion-coated aggregates injected under high pressure.

The process does not require rollers for compaction, and officials said repaired stretches can be opened to traffic immediately.

"The technology offers faster, more durable and all-weather road maintenanc...