World Amazing Modern Technology Road Construction Machines Biggest Heavy Equipment Machinery in Action

Comment: 6:17 Before (you remove the plywood from the ground), after, you rake or flatten - the point is to clean the worksite first - Love the concrete road making machines - so awesome

Comment: I always thought channels were precast. We have some concrete roads but they are usually over soft ground where base layers cannot be relied upon to continuously provide a bed. I used to work as a safety man on Tampers in the UK. Never really thought about how they laid those high bank corners on race tracks