The UK has promised to return to Nigeria £4.2m ($5.8m) which was stolen by a former governor.
Former Delta State Governor James Ibori was convicted of money laundering in the UK in 2012.
Prosecutors say he stole an estimated £117m from the oil-rich state.
This is the first time that money recovered from criminals will be returned to Nigeria since an agreement was signed in 2016, the UK authorities say.
The UK and Nigerian governments signed an agreement on Tuesday for the £4.2m recovered by UK agencies to be sent back to Nigeria for infrastructure projects, including the Lagos to Ibadan Expressway, the Abuja to Kano road and the second Niger Bridge.