Plans for Kent's first-ever Costco in Aylesford move step closerCostco wants to build its first ever warehouse and petrol station in Kent - but locals have raised traffic concernsView 3 Images The new Costco proposed by Junction 5 of the M20 in Aylesford (Image: Costco Wholesale)The building of Kent's first-ever Costco has moved a significant step closer, as plans have been submitted to Tonbridge and Malling Borough Council. ‌Costco Wholesale, one of the largest retailers in the world, which sells merchandise in bulk in warehouses, plans to build its warehouse south of the Aylesford interchange, Junction 5 of the M20. View 3 Images Costco Wholesale by Junction 5 on M20 Aylesford (Image: Costco Wholesale )One commented under the council leader Matt Boughton's post: "The traffic implications of the bypass to the 20/20 roundabout is currently unknown. ‌"To reintroduce traffic lights at the Costco junction is a huge risk." ‌And another said: "It is clear the developer has listened to local residents with the plans around traffic mitigation, etc.