Stating the obvious

It is odd that in writing/specifying dates today about current events, some find it necessary to state that we are living in an age after Christ's birth (AD - Anno Domini Nostri Jesu Christi or "in the year of our Lord Jesus Christ.") - more than 2000 into it. I came across this sign yesterday.


And the people who are so concerned that their project timeframe not be miscontrued as referring to ancient times (BC - Before Christ):


More likely, this is the work of Singapore's Land Tranport Authority (LTA).