in 5 years at least the major change - billion USD- i noticed, I can drive from my home in Kota wisata directly to the airport via all toll outer ring road more than 60km avoiding traffic in the city toll road.
I never use LRT and MRT myself, by understood these are now in operation; or nothing changed compared with 5 years ago?
But, honestly I don't check for the signboards of odd - even, although many of them clearly visible with my old eyes, as I'm happy with the google map in android auto.
I also dont know exactly as I never count the number of traffic lights, traffic signs, junctions, flyover, jockey for 3-in-1, beggars, in Jakarta has changed in 5 years.