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Official sources

Smart CDL · links checked regularly

Smart CDL is not a government app and does not represent any government entity. It is an independent study aid, not affiliated with, endorsed by, or a substitute for any state driver licensing agency, the Federal Motor Carrier Safety Administration, or any other government authority.

Always verify current requirements with your state licensing agency before taking a test.

Federal

Commercial driver regulations are published by the Federal Motor Carrier Safety Administration: fmcsa.dot.gov. Federal commercial driver licence standards are in 49 CFR Part 383.

State CDL manuals

The app downloads each state's CDL manual directly from that state's own licensing agency, at the addresses below. Nothing is re-hosted or modified — what you read in the app is the file the agency published.

StateOfficial source
Alabamawww.alea.gov
Alaskadmv.alaska.gov
Arizonaapps.azdot.gov
Arkansasmedia.ark.org
Californiawww.dmv.ca.gov
Coloradodmv.colorado.gov
Connecticutportal.ct.gov
Delawaredmv.de.gov
Floridawww.flhsmv.gov
Georgiadds.georgia.gov
Hawaiihidot.hawaii.gov
Idahoitd.idaho.gov
Illinoiswww.ilsos.gov
Indianawww.in.gov
Iowaiowadot.gov
Kansaswww.ksrevenue.gov
Kentuckywp.kentuckystatepolice.ky.gov
Louisianapublic.powerdms.com
Mainewww.maine.gov
Marylandmva.maryland.gov
Massachusettswww.mass.gov
Michiganwww.michigan.gov
Minnesotaassets.dps.mn.gov
Mississippiwww.driverservicebureau.dps.ms.gov
Missouridor.mo.gov
Montanamvdmt.gov
Nebraskadmv.nebraska.gov
Nevadadmv.nv.gov
New Hampshirewww.dmv.nh.gov
New Jerseywww.nj.gov
New Mexicowww.mvd.newmexico.gov
New Yorkdmv.ny.gov (published in sections)
North Carolinawww.ncdot.gov
North Dakotawww.dot.nd.gov
Ohiopublicsafety.ohio.gov
Oklahomaoklahoma.gov
Oregonwww.oregon.gov
Pennsylvaniawww.pa.gov
Rhode Islanddmv.ri.gov
South Carolinadmv.sc.gov
South Dakotawww.sd.gov
Tennesseewww.tn.gov
Texaswww.dps.texas.gov
Utahdld.utah.gov
Vermontdmv.vermont.gov
Virginiawww.dmv.virginia.gov
Washingtondol.wa.gov
West Virginiawebapps.transportation.wv.gov
Wisconsinwisconsindot.gov
Wyomingwww.dot.state.wy.us