Federal Highway Administration (FHWA)
394,819Words in 69 parts
11.9Restriction density (per 1,000 words)
18.8Reading grade
0.0%Unchanged since 2017
0Flagged parts
2026-09-11Last change
Section changes per year
From the eCFR versioner, for the parts that the agency owns now. Before 2017 is the baseline load.
Text and size
- Sentences
- 32.0 words on average; 24.5% over 40 words; 33.7% passive; 13.4 cross-references per 1,000 words
- Sentence types
- definition 6.0% · prohibition 3.1% · paperwork 6.0% · obligation 24.7% · permission 10.7% · other 49.6%
- Checksum
0e229181982abc9dc196886ce564af0ded87dd207edf9497ae5d0112d13e9a69
Review candidates in this agency
| Rank | Part | Words | Score |
|---|---|---|---|
| 771 | 23 CFR 669
ENFORCEMENT OF HEAVY VEHICLE USE TAX
High signals: Paperwork share
+3.7 SD · Directive share
+1.5 SD |
1,368 | 0.65 |
| 1,049 | 23 CFR 490
NATIONAL PERFORMANCE MANAGEMENT MEASURES
High signals: Size
+1.4 SD · Directive share
+1.2 SD |
29,791 | 0.54 |
| 1,602 | 23 CFR 1235
UNIFORM SYSTEM FOR PARKING FOR PERSONS WITH DISABILITIES
High signals: Paperwork share
+2.0 SD · Directive share
+1.7 SD · Restriction density
+1.5 SD |
1,331 | 0.39 |
| 1,736 | 23 CFR 172
PROCUREMENT, MANAGEMENT, AND ADMINISTRATION OF ENGINEERING AND DESIGN RELATED SERVICES
High signals: Directive share
+1.3 SD |
9,171 | 0.34 |
| 2,272 | 23 CFR 192
DRUG OFFENDER'S DRIVER'S LICENSE SUSPENSION
High signals: Paperwork share
+2.0 SD · Directive share
+1.0 SD |
1,404 | 0.21 |
| 2,332 | 23 CFR 635
CONSTRUCTION AND MAINTENANCE
High signals: Size
+1.1 SD |
22,373 | 0.19 |
| 2,448 | 23 CFR 1200
UNIFORM PROCEDURES FOR STATE HIGHWAY SAFETY GRANT PROGRAMS
High signals: Size
+1.3 SD |
26,089 | 0.17 |
| 2,561 | 23 CFR 450
PLANNING ASSISTANCE AND STANDARDS
High signals: Size
+1.5 SD · Reading grade
+1.2 SD |
32,926 | 0.14 |
| 2,682 | 23 CFR 778
PILOT PROGRAM FOR ELIMINATING DUPLICATION OF ENVIRONMENTAL REVIEWS
High signals: Reading grade
+1.9 SD |
2,717 | 0.11 |
| 2,713 | 23 CFR 230
EXTERNAL PROGRAMS
High signals: none above 1 SD; ranked by the combined score |
17,234 | 0.10 |
| 2,919 | 23 CFR 1225
OPERATION OF MOTOR VEHICLES BY INTOXICATED PERSONS
High signals: Paperwork share
+1.5 SD |
3,095 | 0.05 |
| 2,988 | 23 CFR 1215
USE OF SAFETY BELTS—COMPLIANCE AND TRANSFER-OF-FUNDS PROCEDURES
High signals: Directive share
+1.6 SD |
1,415 | 0.04 |
| 3,149 | 23 CFR 515
ASSET MANAGEMENT PLANS
High signals: none above 1 SD; ranked by the combined score |
5,298 | 0.01 |
| 3,272 | 23 CFR 773
SURFACE TRANSPORTATION PROJECT DELIVERY PROGRAM APPLICATION REQUIREMENTS AND TERMINATION
High signals: none above 1 SD; ranked by the combined score |
5,531 | -0.02 |
| 3,356 | 23 CFR 420
PLANNING AND RESEARCH PROGRAM ADMINISTRATION
High signals: none above 1 SD; ranked by the combined score |
7,113 | -0.04 |
| 3,451 | 23 CFR 710
RIGHT-OF-WAY AND REAL ESTATE
High signals: none above 1 SD; ranked by the combined score |
13,998 | -0.06 |
| 3,650 | 23 CFR 645
UTILITIES
High signals: none above 1 SD; ranked by the combined score |
11,535 | -0.10 |
| 3,658 | 23 CFR 627
VALUE ENGINEERING
High signals: none above 1 SD; ranked by the combined score |
2,313 | -0.10 |
| 3,912 | 23 CFR 658
TRUCK SIZE AND WEIGHT, ROUTE DESIGNATIONS—LENGTH, WIDTH AND WEIGHT LIMITATIONS
High signals: Size
+1.7 SD |
45,016 | -0.16 |
| 4,036 | 23 CFR 1210
OPERATION OF MOTOR VEHICLES BY INTOXICATED MINORS
High signals: Paperwork share
+1.6 SD |
1,150 | -0.19 |
| 4,273 | 23 CFR 646
RAILROADS
High signals: none above 1 SD; ranked by the combined score |
6,007 | -0.25 |
| 4,306 | 23 CFR 810
MASS TRANSIT AND SPECIAL USE HIGHWAY PROJECTS
High signals: none above 1 SD; ranked by the combined score |
3,377 | -0.26 |
| 4,366 | 23 CFR 680
NATIONAL ELECTRIC VEHICLE INFRASTRUCTURE STANDARDS AND REQUIREMENTS
High signals: none above 1 SD; ranked by the combined score |
4,813 | -0.27 |
| 4,371 | 23 CFR 657
CERTIFICATION OF SIZE AND WEIGHT ENFORCEMENT
High signals: none above 1 SD; ranked by the combined score |
3,388 | -0.27 |
| 4,511 | 23 CFR 650
BRIDGES, STRUCTURES, AND HYDRAULICS
High signals: none above 1 SD; ranked by the combined score |
17,116 | -0.32 |
Score: the mean of six signals, in standard deviations (SD). Across the CFR, the top 641 of 6,402 ranked parts (10%) get a flag for review; this list shows 25. A flag is not a finding.
Statutes behind the most text
- 23 U.S.C. 101: 92,618 words in 12 parts (23.5% of this agency's text)
- 23 U.S.C. 134: 62,717 words in 2 parts (15.9% of this agency's text)
- 23 U.S.C. 127: 48,404 words in 2 parts (12.3% of this agency's text)
- 49 U.S.C. 31111: 48,404 words in 2 parts (12.3% of this agency's text)
- 23 U.S.C. 106: 35,799 words in 4 parts (9.1% of this agency's text)
- 42 U.S.C. 2000d: 33,392 words in 3 parts (8.5% of this agency's text)
- 42 U.S.C. 7410: 32,926 words in 1 parts (8.3% of this agency's text)
- 49 U.S.C. 5303: 32,926 words in 1 parts (8.3% of this agency's text)
- 23 U.S.C. 109: 29,035 words in 9 parts (7.4% of this agency's text)
- 23 U.S.C. 402: 26,089 words in 1 parts (6.6% of this agency's text)
From the authority notes. A citation is not proof that the statute requires the rule.
Largest parts
- 23 CFR 658: TRUCK SIZE AND WEIGHT, ROUTE DESIGNATIONS—LENGTH, WIDTH AND WEIGHT LIMITATIONS (45,016 words)
- 23 CFR 450: PLANNING ASSISTANCE AND STANDARDS (32,926 words)
- 23 CFR 490: NATIONAL PERFORMANCE MANAGEMENT MEASURES (29,791 words)
- 23 CFR 1200: UNIFORM PROCEDURES FOR STATE HIGHWAY SAFETY GRANT PROGRAMS (26,089 words)
- 23 CFR 635: CONSTRUCTION AND MAINTENANCE (22,373 words)
- 23 CFR 230: EXTERNAL PROGRAMS (17,234 words)
- 23 CFR 650: BRIDGES, STRUCTURES, AND HYDRAULICS (17,116 words)
- 23 CFR 771: ENVIRONMENTAL IMPACT AND RELATED PROCEDURES (15,296 words)
- 23 CFR 710: RIGHT-OF-WAY AND REAL ESTATE (13,998 words)
- 23 CFR 750: HIGHWAY BEAUTIFICATION (12,023 words)
Reading grade and sentence types are approximate. Simple rules label each sentence; the first match wins.