NHTSA Digest

Digest of Impaired Driving and Selected Beverage Control Laws

Above is the 30th Edition of NHTSA's Digest of Impaired Driving Laws. This edition was released in June 2017 and is current as of December 31, 2015. The Digest contains 50 state comparative charts on Administrative License Revocation (ALR) Laws and Sanctions, Ignition Interlock Laws, Sobriety Checkpoint Laws, and selected Beverage Control Laws. The Digest also identifies key statutory provisions relating to impaired driving and beverage control laws for all 50 states, and is the single most complete resource with regard to impaired driving, traffic, and beverage control laws nationwide. The Traffic Resource Center team at NCSC has sorted and compiled some data from the Digest by topic into issue briefs, available here or via the header link at the top of the page.