FDOT Technical Standards & Compliance Exam
With A+ Graded Solutions(2026/2027)
1. What is the minimum thickness for a temporary asphalt pavement used
in a detour?
Correct Answer: 1 inch (or as specified in the project-specific plans).
2. According to FDOT Index 102-600, what is the required buffer length for
a roadway with a 55 mph speed limit?
Correct Answer: 495 feet.
3. What is the maximum distance allowed between "Road Work Ahead"
signs on a long-term project?
Correct Answer: 2 miles (unless otherwise specified by the Engineer).
4. Which FDOT Index specifically covers "Pedestrian Control" through work
zones?
Correct Answer: Index 102-660.
5. What is the minimum width for a temporary pedestrian longitudinal
channelizing device (LCD)?
Correct Answer: 32 inches in height.
6. What is the standard taper length for a "Shoulder Taper" on a 50 mph
road?
Correct Answer: 200 feet (1/3 L).
7. What is the specific FDOT color code for "Fluorescent Orange" used on
work zone signs?
Correct Answer: Type VI or higher retroreflective sheeting.
8. When using "Automated Flagger Assistance Devices" (AFADs), how many
flaggers are required to operate the unit?
Correct Answer: One certified flagger can operate two units if they have
a clear line of sight to both.
9. What is the "Clear Zone" width for a 45 mph urban roadway with curb
and gutter?
Correct Answer: 4 feet from the face of the curb.
10.What is the "Clear Zone" width for a 60 mph rural highway?
Correct Answer: 30 feet.
, 11.What is the required minimum height of a temporary concrete barrier
(TCB)?
Correct Answer: 32 inches.
12.How much "Overlap" is required for temporary barrier walls when not
pinned?
Correct Answer: They must be connected using the approved steel
linking pin system.
13.What is the "Lane Closure Notification System" (LCNS) required entry
time for an unplanned emergency closure?
Correct Answer: Immediately, but no later than 15 minutes after the
closure begins.
14.What is the purpose of a "Lead-in" vehicle in a mobile operation?
Correct Answer: To provide advance warning to oncoming traffic on two-
lane, two-way roadways.
15.What is the maximum spacing for "Type II" Barricades in a merging taper
on a 35 mph road?
Correct Answer: 35 feet.
16.What is the "Standard Plan" index for "Bicycle Control" through work
zones?
Correct Answer: Index 102-660.
17.What is the minimum luminosity required for an "Arrow Board" in a
night operation?
Correct Answer: It must be dimmed to 50% of the rated lamp voltage to
prevent blinding drivers.
18.What is the "End Road Work" sign's primary purpose?
Correct Answer: To indicate the end of the TTC zone and the termination
area.
19.How many days must a "Portable Changeable Message Sign" (PCMS) be
in place before a new lane closure begins?
Correct Answer: 7 days for notification of a future closure.
20.What is the required height for a "Stop/Slow" paddle used at night?
Correct Answer: 7 feet (measured from the bottom of the paddle to the
ground).
With A+ Graded Solutions(2026/2027)
1. What is the minimum thickness for a temporary asphalt pavement used
in a detour?
Correct Answer: 1 inch (or as specified in the project-specific plans).
2. According to FDOT Index 102-600, what is the required buffer length for
a roadway with a 55 mph speed limit?
Correct Answer: 495 feet.
3. What is the maximum distance allowed between "Road Work Ahead"
signs on a long-term project?
Correct Answer: 2 miles (unless otherwise specified by the Engineer).
4. Which FDOT Index specifically covers "Pedestrian Control" through work
zones?
Correct Answer: Index 102-660.
5. What is the minimum width for a temporary pedestrian longitudinal
channelizing device (LCD)?
Correct Answer: 32 inches in height.
6. What is the standard taper length for a "Shoulder Taper" on a 50 mph
road?
Correct Answer: 200 feet (1/3 L).
7. What is the specific FDOT color code for "Fluorescent Orange" used on
work zone signs?
Correct Answer: Type VI or higher retroreflective sheeting.
8. When using "Automated Flagger Assistance Devices" (AFADs), how many
flaggers are required to operate the unit?
Correct Answer: One certified flagger can operate two units if they have
a clear line of sight to both.
9. What is the "Clear Zone" width for a 45 mph urban roadway with curb
and gutter?
Correct Answer: 4 feet from the face of the curb.
10.What is the "Clear Zone" width for a 60 mph rural highway?
Correct Answer: 30 feet.
, 11.What is the required minimum height of a temporary concrete barrier
(TCB)?
Correct Answer: 32 inches.
12.How much "Overlap" is required for temporary barrier walls when not
pinned?
Correct Answer: They must be connected using the approved steel
linking pin system.
13.What is the "Lane Closure Notification System" (LCNS) required entry
time for an unplanned emergency closure?
Correct Answer: Immediately, but no later than 15 minutes after the
closure begins.
14.What is the purpose of a "Lead-in" vehicle in a mobile operation?
Correct Answer: To provide advance warning to oncoming traffic on two-
lane, two-way roadways.
15.What is the maximum spacing for "Type II" Barricades in a merging taper
on a 35 mph road?
Correct Answer: 35 feet.
16.What is the "Standard Plan" index for "Bicycle Control" through work
zones?
Correct Answer: Index 102-660.
17.What is the minimum luminosity required for an "Arrow Board" in a
night operation?
Correct Answer: It must be dimmed to 50% of the rated lamp voltage to
prevent blinding drivers.
18.What is the "End Road Work" sign's primary purpose?
Correct Answer: To indicate the end of the TTC zone and the termination
area.
19.How many days must a "Portable Changeable Message Sign" (PCMS) be
in place before a new lane closure begins?
Correct Answer: 7 days for notification of a future closure.
20.What is the required height for a "Stop/Slow" paddle used at night?
Correct Answer: 7 feet (measured from the bottom of the paddle to the
ground).
