Transport projects are usually evaluated in terms of net social value, a standard concept in economics.

ECONOMIST: Letters

Whoever wins will play a vital role during the Olympics in terms of security, keeping transport running and ensuring athletes arrive on time.

CNN: London mayoral election: Battle of the buses

The Transport Secretary Justine Greening was told in no uncertain terms that delays at immigration were getting worse and upsetting passengers at an easyJet reception at Westminster this week.

BBC: Justine Greening promises action on air capacity

What's more, adds Kieran Daly, editor of Air Transport Intelligence, there isn't a simple quid pro quo in terms of cabitage.

CNN: Open Skies: the bell rings for round two

The legacy of the Ryder Cup will not only be assessed in terms of economic impact, the SIRC will also take into account charitable causes, transport infrastructure, golf participation, golf venues and businesses among others.

BBC: Impact of 2014 Ryder Cup at Gleneagles to be studied