140 practice questions in four independent sets (44 + 40 + 30 + 26, no repeats) covering road signs, right-of-way, speed limits, DUI & insurance law, weather driving, freeways, vehicle equipment, accidents, intersections, pedestrian signals, cyclists, and road markings. State-specific facts (speed limits, insurance minimums, fines) are compiled from public sources and can change — always double-check specifics against the official Texas Driver Handbook before your exam.