December 2020#
| Category | Sign | Description | Amended issue | Amendment | Comments |
|---|---|---|---|---|---|
| MUTCD Q-series | GE1-Q09 | INTERCHANGE SEQUENCE SERVICE CENTRE | B | Superseded | Superseded by GE4-1-Q01. |
| GE4-1-Q01 | INTERCHANGE SEQUENCE SERVICE CENTRE | A | Added | New sign. | |
| Road safety | TC2310 | ROAD SAFETY SIGN | B | Amended | Pages 6 and 7 added. |
| Tourist | TC1345 | TOWN WELCOME SIGN | O | Amended | Amendments to dimension table in TC1345 1 and to notes. |