On Wed, 4 Jun 2014 23:53:01 +0100
"Kevin" wrote:
Its seems very short sighted that they didn't dig full size tunnels to
Heathrow. Now they could have benefited from S7s going to the airport
instead of an undersized tube train.

Thats true. It probably wouldn't have cost that much more either even using
1970s technology. I suppose the only issue would be that if the district
served heathrow the trip to central london would be even longer with all
the extra stops between acton and hammersmith.

--
Spud