Test Format

25

Total questions

80%

Passing score

20/25

Min. correct

Multiple choice

Eligibility & Fees

Permit age	15
License age	16 (provisional) / 18 (full)
Permit fee	$18.71
License fee	$30
Permit holding period	12 months (under 18) / 1 month (18-20)
Supervised hours	50 hours total (10 at night)

⚠ Memorize this — Colorado-specific

I-70 traction law (Sept 1 – May 31) requires snow tires, chains, or AutoSocks for passenger vehicles.

💡 Pro tip

Mountain driving and chain laws are heavily emphasized — review the high-altitude driving chapter.

Top 5 Questions to Know

1. 1. Between September 1 and May 31, what traction requirements apply to passenger vehicles on I-70 between Morrison and Dotsero, Colorado?

   Answer: Vehicles must carry traction tires, chains, or an approved alternative traction device (AutoSocks).

   Colorado's Traction Law (Code 15) on I-70 between Morrison (MP 259) and Dotsero (MP 133) requires passenger vehicles to have either: (1) mud/snow-rated tires with a minimum 3/16" tread, (2) chains, or...

2. 2. If your rear tires skid to the right on icy Colorado roads, you should steer:

   Answer: Smoothly to the right — the same direction the rear is sliding.

   "Steer into the skid" means steer in the direction the rear of the vehicle is sliding. If the rear slides right, steer right; if left, steer left. This realigns the front wheels with the direction of ...

3. 3. What does a LANE ENDS sign indicate?

   Answer: Your lane will end ahead

   A lane ends sign warns that your lane will end and you must merge safely.

4. 4. What does a DIVIDED HIGHWAY ENDS sign indicate?

   Answer: The divided highway is ending

   A Divided Highway Ends sign warns that opposing traffic will no longer be separated by a median.

5. 5. What does this sign indicate?

   Answer: Come to a complete stop

   A stop sign means you must come to a complete stop and proceed only when it is safe.

Top Reasons Drivers Fail the Road Test

• ✗ Rolling stops at stop signs
• ✗ Failing to check blind spots before lane changes
• ✗ Exceeding speed limit (even by 1–2 mph)
• ✗ Not signaling early enough before turns
• ✗ Improper lane changes