cryptic clues for london underground & DLR stations

[Geltur]

I have 3 cryptic clues all having the answer as a London underground or DLR station.
1. Crazy dog
2. An industry in trouble
3. Where the Cat might be bowled over

Any help gratefully received

[grasscarp]

1 Barking

[vegasmad]

3. Oval?

[mollykins]

harrow&wealdstone?

[mollykins]

for number 2

[grasscarp]

I was thinking Westminster for no 2!

[mirandasmum]

or Bank !

[andreww6540]

i think the answer to No. 2 is Tufnell's green.
The cat being Phil Tufnell's nickname and green as in bowling green.

[andreww6540]

i must correct myself. there is no station called Tufnell's green. (although it sounds good)
there is one called Tufnell Park.