<kuid:69937:100086> Signal phonebox
<kuid2:106916:10156:1> B&M Telephone Box on Post
<kuid:373201:1118> PRR Telephone Box
<kuid:46415:28000> Tside Phonebox QR
<kuid:46415:28005> Tside Phonebox QR Call
These are useful to indicate where a engineer needs to stop a long drag to allow the helper to hook up for routes of the appropriate era.