LONDON UNDERGROUND tube map. LHR T4 closed. DLR King George V u/c. January 2005Tube map January 2005 [Version 01. 05] On this edition the Piccadilly Line only goes to Heathrow Terminals 1,2,3. The line to Heathrow Terminal 4 is shown as a replacement bus service from Hatton Cross. There is a note that Terminal 4 station is closed between January 2005 and September 2006. The DLR extension to King George V via London City Airport is shown as under construction. On the reverse there is a station index and an advert for Yellow