VDOT Soils and Aggregate Compaction Exam
Comprehensive Resource To Help You Ace 2026-2027 Exams
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
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1. What are the three types of repairs that a VDOT inspector can call for? -
Correct Answer: Type I, Type II, or Type III repair.
2. What is the difference between Type I and Type III repairs? - Correct
Answer: Type I is for minimal damage, while Type III is for severe damage.
3. What must be done to the existing surface area before asphalt is laid? -
Correct Answer: It must be cleaned properly to remove loose material.
4. What is scabbing in the context of milling pavement? - Correct Answer:
Scabbing occurs when the milling machine travels too fast, the milling teeth
are worn, or the incorrect depth is milled.
5. What is the maximum mean texture depth (MTD) for performance milled
surfaces? - Correct Answer: 2.0 mm.
,6. What happens if the contractor exceeds the allowable timeframe for pave
back after milling on limited access roadways? - Correct Answer: A
$5,000 disincentive fine per day will apply unless waived by the Engineer.
7. What is the purpose of scratching and leveling the surface before laydown?
- Correct Answer: To create a uniform surface prior to paving and
improve ride quality.
8. How is payment calculated for scratching and leveling? - Correct
Answer: Type I is priced at two times the contract unit rate, and Type II is
one and one-half times the contract unit rate.
9. What do tack coats provide in the paving process? - Correct Answer:
They provide the glue that holds the different pavement layers together.
10.What are the requirements for tack coat materials according to VDOT? -
Correct Answer: They must meet the requirements in Road and Bridge
Specification Section 310.
11.When can non-tracking tack coat materials be used? - Correct Answer:
Year-round, but specifically between May 1 and October 1.
12.What is the role of the inspector during the milling process? - Correct
Answer: To check for a uniform milled surface, proper drainage, and clean
surface before applying tack coat and asphalt.
,13.What is the goal of the inspector regarding the project plans and
specifications? - Correct Answer: To ensure they are being followed as
laid out in the contract.
14.What should the contractor do if there are scheduling changes affecting
inspection? - Correct Answer: Keep the inspector informed of any
scheduling changes.
15.What is the typical thickness of asphalt material used in scratching and
leveling? - Correct Answer: One inch.
16.What is the significance of the existing pavement platform in maintenance
projects? - Correct Answer: It must be prepared properly to ensure
long-term success.
17.What is the purpose of the Supplemental Specification for Section 322? -
Correct Answer: It outlines the process to repair cracks in existing
pavement.
18.What is the importance of maintaining proper drainage during milling? -
Correct Answer: It is critical for safety.
19.What is the first step in the paving process? - Correct Answer: Ensuring
the site is prepared properly.
, 20.What is the conventional tack coat application rate? - Correct Answer:
0.05 to 0.10 gal/yd²
21.What is the typical application rate for non-tracking tack coat? - Correct
Answer: Between 0.05 to 0.10 gal/yd², as per manufacturer's
recommendation.
22.How must the tack coat material be spread? - Correct Answer:
Uniformly using a pressure distributor.
23.What is the application rate for tack coat at longitudinal and transverse
joints? - Correct Answer: 0.20 gal/yd² as per Road and Bridge
Specification Section 315.05(b)1b.
24.What is the required width for the first pass of tack application? -
Correct Answer: Two [2] feet.
25.How far should tack extend beyond the edge of the joint? - Correct
Answer: At least 4 to 6 inches.
26.What is the minimum base temperature for laying asphalt mix? -
Correct Answer: Varies by mix type; must be at or above the specified
minimum.
27.What is the minimum temperature for warm mix asphalt technology? -
Correct Answer: 200°F.
Comprehensive Resource To Help You Ace 2026-2027 Exams
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
Instant Download Pdf
1. What are the three types of repairs that a VDOT inspector can call for? -
Correct Answer: Type I, Type II, or Type III repair.
2. What is the difference between Type I and Type III repairs? - Correct
Answer: Type I is for minimal damage, while Type III is for severe damage.
3. What must be done to the existing surface area before asphalt is laid? -
Correct Answer: It must be cleaned properly to remove loose material.
4. What is scabbing in the context of milling pavement? - Correct Answer:
Scabbing occurs when the milling machine travels too fast, the milling teeth
are worn, or the incorrect depth is milled.
5. What is the maximum mean texture depth (MTD) for performance milled
surfaces? - Correct Answer: 2.0 mm.
,6. What happens if the contractor exceeds the allowable timeframe for pave
back after milling on limited access roadways? - Correct Answer: A
$5,000 disincentive fine per day will apply unless waived by the Engineer.
7. What is the purpose of scratching and leveling the surface before laydown?
- Correct Answer: To create a uniform surface prior to paving and
improve ride quality.
8. How is payment calculated for scratching and leveling? - Correct
Answer: Type I is priced at two times the contract unit rate, and Type II is
one and one-half times the contract unit rate.
9. What do tack coats provide in the paving process? - Correct Answer:
They provide the glue that holds the different pavement layers together.
10.What are the requirements for tack coat materials according to VDOT? -
Correct Answer: They must meet the requirements in Road and Bridge
Specification Section 310.
11.When can non-tracking tack coat materials be used? - Correct Answer:
Year-round, but specifically between May 1 and October 1.
12.What is the role of the inspector during the milling process? - Correct
Answer: To check for a uniform milled surface, proper drainage, and clean
surface before applying tack coat and asphalt.
,13.What is the goal of the inspector regarding the project plans and
specifications? - Correct Answer: To ensure they are being followed as
laid out in the contract.
14.What should the contractor do if there are scheduling changes affecting
inspection? - Correct Answer: Keep the inspector informed of any
scheduling changes.
15.What is the typical thickness of asphalt material used in scratching and
leveling? - Correct Answer: One inch.
16.What is the significance of the existing pavement platform in maintenance
projects? - Correct Answer: It must be prepared properly to ensure
long-term success.
17.What is the purpose of the Supplemental Specification for Section 322? -
Correct Answer: It outlines the process to repair cracks in existing
pavement.
18.What is the importance of maintaining proper drainage during milling? -
Correct Answer: It is critical for safety.
19.What is the first step in the paving process? - Correct Answer: Ensuring
the site is prepared properly.
, 20.What is the conventional tack coat application rate? - Correct Answer:
0.05 to 0.10 gal/yd²
21.What is the typical application rate for non-tracking tack coat? - Correct
Answer: Between 0.05 to 0.10 gal/yd², as per manufacturer's
recommendation.
22.How must the tack coat material be spread? - Correct Answer:
Uniformly using a pressure distributor.
23.What is the application rate for tack coat at longitudinal and transverse
joints? - Correct Answer: 0.20 gal/yd² as per Road and Bridge
Specification Section 315.05(b)1b.
24.What is the required width for the first pass of tack application? -
Correct Answer: Two [2] feet.
25.How far should tack extend beyond the edge of the joint? - Correct
Answer: At least 4 to 6 inches.
26.What is the minimum base temperature for laying asphalt mix? -
Correct Answer: Varies by mix type; must be at or above the specified
minimum.
27.What is the minimum temperature for warm mix asphalt technology? -
Correct Answer: 200°F.
