393.90 — Buses - Missing or improper standee line or bar

FMCSA violation code under Vehicle Maintenance. 154 events recorded in roadside inspections. Severity weight: N/A.

Severity Weight
N/A
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
154
Code
393.90
Code System
FMCSR
BASIC Category
OOS Eligible
No
Severity Weight
N/A
Violation Group
Total Events
154
Carriers Cited
108

Violation Description

Buses - Missing or improper standee line or bar

About This Violation Code

Code 393.90 falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS).

When this violation is cited during a roadside inspection, it contributes to the carrier's Vehicle Maintenance BASIC score. Carriers with high BASIC percentiles may be prioritized for FMCSA interventions including warning letters, investigations, or compliance reviews.

Regulatory Reference

Federal Motor Carrier Safety Regulations

This violation references 49 CFR 393.90 in the Federal Motor Carrier Safety Regulations.

Events (all time)
154
OOS Events
1
OOS Rate
0.6%
Top State (180d)
Puerto Rico
9 events

Top Enforcing States

Where 393.90 is most commonly cited (last 180 days)

1.Puerto Rico
9
OOS 0.0%
2.Georgia
5
OOS 0.0%
3.California
1
OOS 0.0%
4.Florida
1
OOS 0.0%
5.Iowa
1
OOS 0.0%
6.Kansas
1
OOS 0.0%

Click a state to see roadside inspection activity, top stations, and carrier profiles in that jurisdiction.

Citation Trend (12 months)

Monthly count of 393.90 citations. Red bars mark months with OOS-triggering citations.

4
Apr
4
May
6
Jun
1
Jul
1
Aug
7
Sep
5
Oct
1
Nov
1
Dec
3
Jan
7
Feb
6
Mar

Most Active Stations

Inspection stations citing 393.90 most often (last 180 days)

1.ATLANTA GA
4
OOS 0.0%
2.UTUADO PR
3
OOS 0.0%
3.PATILLAS PR
2
OOS 0.0%
5.AZUSA
1
OOS 0.0%
6.CULEBRA PR
1
OOS 0.0%
7.LARES PR
1
OOS 0.0%
8.RIO GRANDE PR
1
OOS 0.0%
9.COMERIO PR
1
OOS 0.0%
10.JACKSONVILLE FL
1
OOS 0.0%

Often Cited Together

Other violations commonly found on the same inspection (last 90 days)

Top Carriers Cited

Ranked by frequency • 108 carriers total • Page 1 of 5

Top Carriers with 393.90 Violations

Showing 25 of 108

fmcsa-violations

Recent Inspections

Latest inspections where 393.90 was cited • 154 total events • Page 1 of 7

Recent Inspections with 393.90

Showing 25 of 154

fmcsa-inspections
Recent Inspections with 393.90
DateReport #StateLevelOOS
Mar 26, 202687474067PRLevel 1No
Mar 16, 202687327889GALevel 1No
Mar 16, 202687328167GALevel 1No
Mar 16, 202687328631GALevel 1No
Mar 5, 202687225996KSLevel 5No
Mar 4, 202687247475PRLevel 2No
Feb 18, 202687135034PRLevel 1No
Feb 12, 202687119694CALevel 5No
Feb 12, 202687052166GALevel 2No
Feb 11, 202687073227PRLevel 5No
Feb 11, 202687060721PRLevel 5No
Feb 11, 202687060776PRLevel 5No
Feb 9, 202687012472FLLevel 1No
Jan 13, 202686833203PRLevel 1No
Jan 13, 202686831193PRLevel 5No
Jan 9, 202686811609PRLevel 1No
Dec 19, 202586623623GALevel 1No
Nov 1, 202586222383IALevel 2No
Oct 14, 202586085097GALevel 1No
Oct 8, 202586051203PRLevel 1No
Oct 3, 202586010616PRLevel 4No
Oct 1, 202585987030PRLevel 1No
Oct 1, 202585985497PRLevel 2No
Sep 29, 202585962289PRLevel 1No
Sep 29, 202585962480PRLevel 1No

Data sources & freshness

FMCSA Vehicle Inspections and Violations
Unknown freshness
Federal Motor Carrier Safety Regulations (49 CFR)
Unknown freshness