Speed & Space Management

Study questions with answers

12 sample Speed & Space Management questions with the correct answer, a short explanation, and the official handbook reference. Read through them, then take the quiz above.

1. 1. Work-site speed limits in Indiana are set at least how much below the area's normal maximum speed?

   Correct answer: 10 mph

   Work-zone speed limits are always at least 10 mph below the area's normal maximum speed.

   Source: Indiana Driver's Manual, Ch. 7 (Reduced Speed Limits in Highway Work Zones)

2. 2. According to the manual, fuel consumption begins to climb steadily above what speed?

   Correct answer: 45 mph

   Fuel use rises steadily above 45 mph, with cars using far more fuel at higher speeds.

   Source: Indiana Driver's Manual, Ch. 7 (Fuel Economy)

3. 3. Unless posted otherwise, the speed limit on county roads in urban areas is what?

   Correct answer: 55 mph

   County roads in urban areas carry a 55 mph limit unless a different one is posted.

   Source: Indiana Driver's Manual, Ch. 7 (Urban Speed Limits)

4. 4. A good rule of thumb for following distance is to stay how far behind the vehicle ahead?

   Correct answer: Two to three seconds

   Leave yourself a cushion of two or three seconds from whatever is traveling in front of you.

   Source: Indiana Driver's Manual, Ch. 7 (Braking and Following Distances)

5. 5. About how far does an average passenger car traveling 55 mph need to stop?

   Correct answer: 130 to 140 feet

   A typical passenger car at 55 mph needs roughly 130 to 140 feet to come to a stop.

   Source: Indiana Driver's Manual, Ch. 7 (Braking)

6. 6. When not on an interstate or state highway, a school bus has a maximum speed of what unless the posted limit is lower?

   Correct answer: 40 mph

   Off interstates and state highways, a school bus may travel no faster than 40 mph unless a lower limit is posted.

   Source: Indiana Driver's Manual, Ch. 7 (School Bus Speed Limits)

7. 7. Unless otherwise posted, the maximum speed for a passenger vehicle on a rural interstate is what?

   Correct answer: 70 mph

   On a rural interstate, passenger vehicles may not exceed 70 mph or the posted limit.

   Source: Indiana Driver's Manual, Ch. 7 (Rural Interstate Highway Speed Limits)

8. 8. The speed limit on an urban interstate highway, unless otherwise posted, is what?

   Correct answer: 55 mph

   Vehicles on an urban interstate may not exceed 55 mph unless a different limit is posted.

   Source: Indiana Driver's Manual, Ch. 7 (Urban Speed Limits)

9. 9. In most urban residential areas, the speed limit is usually what unless posted otherwise?

   Correct answer: 30 mph

   Most urban residential areas carry a 30 mph limit unless a different one is posted.

   Source: Indiana Driver's Manual, Ch. 7 (Urban Speed Limits)

10. 10. The maximum speed permitted in an alley is generally what?

    Correct answer: 15 mph

    Vehicles may not exceed 15 mph in an alley.

    Source: Indiana Driver's Manual, Ch. 7 (Urban Speed Limits)

11. 11. On a rural interstate, trucks with a declared gross weight over 26,000 pounds may not exceed what speed?

    Correct answer: 65 mph

    Heavy trucks over 26,000 pounds are limited to 65 mph on a rural interstate.

    Source: Indiana Driver's Manual, Ch. 7 (Rural Interstate Highway Speed Limits)

12. 12. About how many feet does a loaded semi with hot brakes need to come to a full stop from 55 mph?

    Correct answer: More than 400 feet

    A loaded tractor-trailer with hot brakes can take more than 400 feet to stop at 55 mph.

    Source: Indiana Driver's Manual, Ch. 7 (Braking)