Os Map Quiz

[Bommer_50]

All answers leading to something found on an Ordnance Survey Map.
No letter counts known

1) Just one more 'hold up' for Westminster
2) Always 3 letters to take off

Thanks in advance for any help

[Buenchico]

A long shot . . .

2. 'Spr' is the 3-letter abbreviation on an OS map for 'Spring', with 'spring' also meaning to 'take off' (as 'to spring into the air').

[mallyh]

2 airstrip?

[mallyh]

1 iffy ...footbridge