5 JANUARY 2019: While we undergo a periodic spam attack this form, alas, is not available. It'll be back when the spammers get bored and go on to target somebody else...
The Underground Map is, we admit, rather a large and sometimes confusing website.
Please send on any comments you may have about it - especially things you have found frustrating and how we might improve it.
Of course you may simply wish to contact us about other things. Please use this form to do so.