MUTCD 11th Edition Known Errors
As of December 20, 2023
The FHWA intends to correct these errors via a future rulemaking action. This list of known errors is provided solely for the information of MUTCD users and does not constitute official changes to the MUTCD at this time.
Part 1
Section 1B.06
- Paragraph 4. The phrase "futurefor consideration in the next rulemaking" should be changed to "future rulemaking."
Section 1C.02
- Paragraph 3. Definitions 111, 158, and 159 are out of alphabetical order.
Part 2
Section 2B.10
- Paragraph 2. Items D and E should be sub-items 1 and 2 of item C.
Section 2B.21
- Paragraph 7, item E. The spelling “precentile” should be corrected to “percentile."
- Paragraph 18. The reference to “Traffic Control Device Handbook” should be changed to “ITE Traffic Control Device Handbook - 2nd Edition, 2013”.
Section 2B.27
- Paragraph 5, first sentence. The word “lane” should have the first letter in upper-case to become “Lane.”
Section 2B.52
- Paragraph 4. The period at the end of item B should be deleted.
Section 2B.53
- Paragraph 27. The word “the” between “with” and “those” should be deleted. The period should be moved outside of the parentheses.
Section 2B.59
- Paragraph 3. The extra parenthesis after the word “green” should be deleted. The parenthesis after the word “STOP” should be deleted.
- Paragraph 9. The word “STEADY” should be removed from “STOP ON STEADY RED YIELD ON FLASHING RED AFTER STOP.”
Section 2C.12
- Paragraph 9. The word “Speed” should be added to “Combination Horizontal Alignment/Advisory Exit signs” to read “Combination Horizontal Alignment/Advisory Exit Speed signs.”
Section 2D.08
- Paragraph 25. The reference to “Section 2D.41” should be changed to “Section 2E.41.”
Section 2D.09
- Paragraph 5. The reference to “Paragraph 6” should be changed to “Paragraph 7.”
Section 2D.51
- Paragraphs 3 and 7. The references to sign “D8-1” should be changed to “D8-1 Series” to allow the use of a D8-1a sign as shown in Figure 2D-23.
Section 2D.59
- Paragraph 10. The word “use” should be changed to “used.”
Figure 2D-2
- A – Cardinal directions and orientations, notes under the sign on the right. The words “’South’ is a cardinal direction” should be change to “’South’ is a pre-directional designation.”
Table 2D-2
- Sheet 2 of 2, row 2. The text “, U.S., State,” should be deleted.
Section 2E.15
- Paragraph 2, sentence 2. There is an extra space before the period which should be deleted.
Section 2E.30
- Paragraph 2. The word “interchanges” should be changed to “interchange.”
Section 2E.38
- Paragraph 7. A hyphen should be added between the words “Pull” and “Through” to appear as “Pull-Through.”
Section 2E.51
- Paragraph 12. All of the letters in “Park – Ride” should be capitalized to appear as “PARK – RIDE.”
Section 2E.54
- Paragraph 9. The word “describe” should be changed to “described.”
Section 2G.04
- Paragraph 2, sentence 3. The word “to” between the words “not” and “be” should be deleted.
Section 2G.11
- Paragraph 3. The word “Advanced” should be changed to “Advance.”
Section 2H.12
- Paragraph 5. The phrase “Except as provided in Paragraph 6 of this Section” should be deleted.
Section 2H.14
- Paragraph 8. The second use of the phrase “alternative fuels corridor” between the words “the” and “sign” should be capitalized to appear as “Alternative Fuels Corridor.”
Section 2I.03
- Between Paragraphs 5 and 6. The header “Guidance” should be deleted.
- Paragraph 26. The bold font should be removed to indicate an Option statement.
Part 3
Section 3B.01
- Between Paragraphs 6 and 7. The header “Guidance” should be changed to “Support.”
- Paragraph 7. The font should not be italicized to indicate a Support statement.
- Between Paragraphs 8 and 9. The header “Guidance” should be added.
Section 3B.17
- Paragraph 4. The reference to “Section 6J.02” should be changed to “Section 6J.03.”
Part 4
Figure 4C-7
- Parentheses below the figure title. “40 MPH” should be changed to “35 MPH.”
Figure 4C-8
- Parentheses below the figure title. “40 MPH” should be changed to “35 MPH.”
Section 4J.02
- Paragraph 8. The word “STEADY” should be removed from “STOP ON STEADY RED—YIELD ON FLASHING RED AFTER STOP.”
Section 4U.02
- Paragraph 2. The numbering for the next paragraph that starts with, “If In-Roadway Warning Lights are used…”, is missing and should be added as “03.” The subsequent paragraphs should be re-numbered as “04” through “15.”
Part 6
Section 6L.05
- Paragraph 5. “The colors used for legends on portable changeable message signs shall comply with those shown in Table 2A-5.” Table 2A-5 should read Table 2A-2.
Section 6N.04
- Paragraph 6, first sentence. The word “short-term” should be added between the words “for” and “and mobile” to read “Except for short-term and mobile operations…”
Part 9
Section 9A.01
- Between Paragraphs 5 and 6. The header “Support” should be deleted.
Section 9C.04
- Paragraph 4. The word “should” should be changed to “may.”
Section 9D.08
- Between Paragraphs 12 and 13. The header “Support” should be added.
Section 9D.13
- Between Paragraphs 8 and 9. The header “Support” should be added.