Old concrete dug up from Peel Road will be used to revamp the heritage railway track.
Work on improving the area – between Union Mills and Glen Vine – will begin shortly.
The roadworks on the busy Douglas route are now drawing to a close with a new road layout in operation.
It includes a cycle lane – which drivers have been asked not to enter unless unavoidable.
Steam Packet sailings delayed tonight
PPE Medpro put into liquidation
Part of TT course closed tomorrow
Carl Cox backs cancer charity's TT fundraising auction
Business appeal over thousands in unpaid bills
Pharmacy plans for former IOM Bank
Appeal after wood from van damages car
Island part of union data breach investigation