Federal Motor Carrier Safety Administration (FMCSA)
457,167Words in 41 parts
14.1Restriction density (per 1,000 words)
17.8Reading grade
51.3%Unchanged since 2017
6Flagged parts
2026-10-05Last 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; 24.7% over 40 words; 29.0% passive; 14.2 cross-references per 1,000 words
- Sentence types
- definition 5.1% · prohibition 3.2% · paperwork 8.2% · obligation 24.7% · permission 7.3% · other 51.4%
- Checksum
b18c9e69dec04aa8a4a64da7a66113ee7e1cca514f3b6a5e51e0ed001c80120b
Review candidates in this agency
| Rank | Part | Words | Score |
|---|---|---|---|
| 41 top 10% | 49 CFR 370
PRINCIPLES AND PRACTICES FOR THE INVESTIGATION AND VOLUNTARY DISPOSITION OF LOSS AND DAMAGE CLAIMS AND PROCESSING SALVAGE
High signals: Paperwork share
+4.6 SD · Directive share
+2.7 SD · Reading grade
+1.9 SD · Restriction density
+1.4 SD |
1,869 | 1.42 |
| 269 top 10% | 49 CFR 380
SPECIAL TRAINING REQUIREMENTS
High signals: Restriction density
+3.0 SD · Directive share
+2.9 SD · Size
+1.1 SD |
22,146 | 0.91 |
| 415 top 10% | 49 CFR 378
PROCEDURES GOVERNING THE PROCESSING, INVESTIGATION, AND DISPOSITION OF OVERCHARGE, DUPLICATE PAYMENT, OR OVERCOLLECTION CLAIMS
High signals: Paperwork share
+2.7 SD · Directive share
+2.3 SD · Restriction density
+2.0 SD |
1,790 | 0.81 |
| 585 top 10% | 49 CFR 382
CONTROLLED SUBSTANCES AND ALCOHOL USE AND TESTING
High signals: Directive share
+1.3 SD · Paperwork share
+1.2 SD · Restriction density
+1.0 SD |
17,277 | 0.73 |
| 618 top 10% | 49 CFR 391
QUALIFICATIONS OF DRIVERS AND LONGER COMBINATION VEHICLE (LCV) DRIVER INSTRUCTORS
High signals: Paperwork share
+1.9 SD · Size
+1.1 SD |
21,346 | 0.71 |
| 630 top 10% | 49 CFR 383
COMMERCIAL DRIVER'S LICENSE STANDARDS; REQUIREMENTS AND PENALTIES
High signals: Size
+1.4 SD · Directive share
+1.1 SD |
29,559 | 0.71 |
| 719 | 49 CFR 371
BROKERS OF PROPERTY
High signals: Directive share
+2.1 SD · Restriction density
+1.8 SD |
2,703 | 0.67 |
| 1,370 | 49 CFR 393
PARTS AND ACCESSORIES NECESSARY FOR SAFE OPERATION
High signals: Size
+1.8 SD · Restriction density
+1.7 SD · Directive share
+1.1 SD |
50,168 | 0.45 |
| 1,495 | 49 CFR 387
MINIMUM LEVELS OF FINANCIAL RESPONSIBILITY FOR MOTOR CARRIERS
High signals: none above 1 SD; ranked by the combined score |
16,815 | 0.42 |
| 1,509 | 49 CFR 392
DRIVING OF COMMERCIAL MOTOR VEHICLES
High signals: Directive share
+1.4 SD · Restriction density
+1.2 SD |
5,706 | 0.41 |
| 1,536 | 49 CFR 395
HOURS OF SERVICE OF DRIVERS
High signals: Size
+1.6 SD |
38,899 | 0.40 |
| 1,664 | 49 CFR 376
LEASE AND INTERCHANGE OF VEHICLES
High signals: Restriction density
+2.3 SD · Directive share
+1.4 SD |
4,581 | 0.37 |
| 1,681 | 49 CFR 397
TRANSPORTATION OF HAZARDOUS MATERIALS; DRIVING AND PARKING RULES
High signals: none above 1 SD; ranked by the combined score |
10,936 | 0.36 |
| 1,711 | 49 CFR 384
STATE COMPLIANCE WITH COMMERCIAL DRIVER'S LICENSE PROGRAM
High signals: none above 1 SD; ranked by the combined score |
8,785 | 0.35 |
| 1,830 | 49 CFR 374
PASSENGER CARRIER REGULATIONS
High signals: Restriction density
+1.5 SD |
4,229 | 0.32 |
| 1,894 | 49 CFR 372
EXEMPTIONS, COMMERCIAL ZONES, AND TERMINAL AREAS
High signals: Reading grade
+4.2 SD · Size
+1.2 SD |
24,434 | 0.30 |
| 2,162 | 49 CFR 379
PRESERVATION OF RECORDS
High signals: Paperwork share
+3.0 SD · Directive share
+1.2 SD |
2,355 | 0.24 |
| 2,269 | 49 CFR 375
TRANSPORTATION OF HOUSEHOLD GOODS IN INTERSTATE COMMERCE; CONSUMER PROTECTION REGULATIONS
High signals: Restriction density
+1.2 SD · Size
+1.1 SD |
20,791 | 0.21 |
| 2,462 | 49 CFR 366
DESIGNATION OF PROCESS AGENT
High signals: Restriction density
+1.9 SD · Directive share
+1.8 SD |
1,388 | 0.16 |
| 2,513 | 49 CFR 368
APPLICATION FOR A CERTIFICATE OF REGISTRATION TO OPERATE IN MUNICIPALITIES IN THE UNITED STATES ON THE UNITED STATES-MEXICO INTERNATIONAL BORDER OR WITHIN THE COMMERCIAL ZONES OF SUCH MUNICIPALITIES.
High signals: Paperwork share
+2.5 SD |
2,007 | 0.15 |
| 2,546 | 49 CFR 398
TRANSPORTATION OF MIGRANT WORKERS
High signals: Restriction density
+2.6 SD |
4,780 | 0.15 |
| 2,773 | 49 CFR 325
COMPLIANCE WITH INTERSTATE MOTOR CARRIER NOISE EMISSION STANDARDS
High signals: none above 1 SD; ranked by the combined score |
6,446 | 0.09 |
| 3,304 | 49 CFR 390
FEDERAL MOTOR CARRIER SAFETY REGULATIONS; GENERAL
High signals: Size
+1.8 SD |
46,059 | -0.03 |
| 3,490 | 49 CFR 369
REPORTS OF MOTOR CARRIERS
High signals: none above 1 SD; ranked by the combined score |
3,327 | -0.07 |
| 3,816 | 49 CFR 386
RULES OF PRACTICE FOR FMCSA PROCEEDINGS
High signals: Size
+1.2 SD |
24,192 | -0.14 |
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
- 49 U.S.C. 113: 111,822 words in 5 parts (24.5% of this agency's text)
- 49 U.S.C. 504: 84,852 words in 5 parts (18.6% of this agency's text)
- 49 U.S.C. 31136: 63,152 words in 3 parts (13.8% of this agency's text)
- 49 U.S.C. 31133: 39,423 words in 2 parts (8.6% of this agency's text)
- 49 U.S.C. 13101: 29,780 words in 3 parts (6.5% of this agency's text)
- 49 U.S.C. 31305: 29,559 words in 1 parts (6.5% of this agency's text)
- 49 U.S.C. 521: 29,559 words in 1 parts (6.5% of this agency's text)
- 49 U.S.C. 13504: 24,434 words in 1 parts (5.3% of this agency's text)
- 28 U.S.C. 2461: 24,192 words in 1 parts (5.3% of this agency's text)
- 49 U.S.C. 13301: 23,765 words in 9 parts (5.2% of this agency's text)
From the authority notes. A citation is not proof that the statute requires the rule.
Largest parts
- 49 CFR 393: PARTS AND ACCESSORIES NECESSARY FOR SAFE OPERATION (50,168 words)
- 49 CFR 390: FEDERAL MOTOR CARRIER SAFETY REGULATIONS; GENERAL (46,059 words)
- 49 CFR 395: HOURS OF SERVICE OF DRIVERS (38,899 words)
- 49 CFR 385: SAFETY FITNESS PROCEDURES (37,069 words)
- 49 CFR 383: COMMERCIAL DRIVER'S LICENSE STANDARDS; REQUIREMENTS AND PENALTIES (29,559 words)
- 49 CFR 372: EXEMPTIONS, COMMERCIAL ZONES, AND TERMINAL AREAS (24,434 words)
- 49 CFR 386: RULES OF PRACTICE FOR FMCSA PROCEEDINGS (24,192 words)
- 49 CFR 380: SPECIAL TRAINING REQUIREMENTS (22,146 words)
- 49 CFR 391: QUALIFICATIONS OF DRIVERS AND LONGER COMBINATION VEHICLE (LCV) DRIVER INSTRUCTORS (21,346 words)
- 49 CFR 375: TRANSPORTATION OF HOUSEHOLD GOODS IN INTERSTATE COMMERCE; CONSUMER PROTECTION REGULATIONS (20,791 words)
Reading grade and sentence types are approximate. Simple rules label each sentence; the first match wins.