| 2 | Supplement 4.6.2-1 | Amendment | • Section 4.6.2-1: Section title changed to make it clear that this guideline applies to existing narrow bridges only and is not to be used as a basis to design new narrow structures. • Figure 3a: Amended to refer to new figure numbers in the document. • Figure 3c: Corrected title for this figure from 'controlled' to 'uncontrolled'. • Figure 3f: Amended title for figure; relocated TC sign in advance of the narrow bridge; and included length of section B for various speeds to the table. • Figure 3g: Amended title for figure; distance A for the location of advance narrow bridge warning sign has been changed to comply with the requirements of MUTCD Part 1. • Figure 3h: Amended title for figure. |
| 3 | 4.2.2 | Amendment | • Added Item (g) for the maximum number of blank retroreflective yellow panels in a single multi-message sign. |
| 4.24 | Administrative | • Updated sign numbers in the Example table. |
| Appendix A. 3, Table A.2 | Administrative, amendment | • Updated sign numbers in Table A.2. • Updated the usage notes for the REDUCE SPEED and DRIVE SAFELY panels • Added new multi-message panels. • TC1221 • DRIVE SLOWLY • TC1529 • PLANT AHEAD • TC1533 • TREE WORK • TC1821 • ROAD WORK • TC2287 • ...m AHEAD • TC2302 • SITE ACCESS ONLY • TC2303 • WORK VEHICLES EXCEPTED • TC2317 • EXIT / EXIT No. / DIRECTIONAL ARROW |