FMCSA · Safety Measurement System register · Pennsylvania

Controlled Substances/Alcohol in Pennsylvania

• 405Violations recorded
• 78,821Registered carriers in the state
• 164,408State inspections addressing it

Driving under the influence of drugs or alcohol. Pennsylvania carries 405 violations in this category, out of 14,736 recorded nationally, which places it 14 of 51 jurisdictions the register covers. Its share of the national figure is 0.027 as a fraction, banked by the build rather than turned into a ratio here. Nationally, a violation in this category carries an average severity weight of 8.55.

The state’s carriers by fleet size

• 1 power unit 39,383
• 2 to 5 power units 26,914
• 6 to 20 power units 7,146
• 21 to 100 power units 1,906
• 101 to 1,000 power units 306
• 1,000 or more power units 86

Other categories recorded in Pennsylvania

• Crash Indicator in PA 13,026
• Driver Fitness in PA 15,132
• Hazardous Materials Compliance in PA 813
• Hours-of-Service Compliance in PA 22,302
• Unsafe Driving in PA 33,183
• Vehicle Maintenance in PA 127,370

Controlled Substances/Alcohol across every jurisdiction → Every category in Pennsylvania →

Figures from the federal source files: EPA’s ECHO downloads, CMS provider files and the FMCSA census.

Counts from FMCSA SMS input files on data.transportation.gov: kjg3-diqy (Motor Carrier Census, 2,122,441 rows), rbkj-cgst (Inspection, 5,834,148), 8mt8-2mdr (Violation, 6,808,260), 4wxs-vbns (Crash, 255,582), p2mt-9ige (Out of Service Orders, 399,600); SoQL aggregates fetched 2026-09-16. The rank is taken over the jurisdictions this desk publishes, and the national figure beside it is the register’s own total for the category.