What is ExpressRoute Local and when would you use it?

You can transfer data cost-effectively by enabling the Local SKU. With Local SKU, you can bring your data to an ExpressRoute location near the Azure region you want. With Local, Data transfer is included in the ExpressRoute port charge.

Use ExpressRoute Local when you have large data volumes to be transferred via ExpressRoute and you are able to connect from the location where Azure ExpressRoute Local is available.