
These ports are causing the most congestion in the global supply chain, new CNBC charts show
The drop in Shanghai's port productivity, which is driven by to the lack of people working due to Covid lockdowns, can be seen in the container wait time at the port, according to CNBC's new Supply Chain Heat Map. "In Shanghai, ocean terminals, warehouses, and trucking services are operating as normal but with lower efficiency due to staff shortages and lack of drivers," said Brian Bourke, chief growth officer of SEKO Logistics. CNBC's Supply Chain Heat Map is a new data tool