It has become very voguey to keep people updated as to what is happening. This is PR text book stuff.
Are we now bordering on overkill? I like the signs in Spain which tell you where the money for infrastructure building projects is coming from. For example, the EU and central government are investing x million euros in this project, which will do x and be completed by x. All very factual.
In the UK it seems everywhere you go, there is justification for works. It interests me to know about the longest Tube escalator and a one legged tester in days gone by. But do most people really care?