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100+ Free NM CID GA-5 Practice Questions

Prepare for the New Mexico CID GA-5 Highway Signs and Guard Rails Examination exam with instant access — no signup required.

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2026 Statistics

Key Facts: NM CID GA-5 Exam

75%

Passing Score

PSI NM Contractor Bulletin 4/3/2026

30 Q

Official Exam Questions

PSI NM Contractor Bulletin 4/3/2026

75 min

Time Allowed

PSI NM Contractor Bulletin 4/3/2026

USD 68.88

PSI Exam Fee

PSI NM Contractor Bulletin 4/3/2026

NM CID GA-5 is a 30-question PSI highway signs and guard rails exam, 75% pass, 75 minutes, USD 68.88 (bulletin 4/3/2026).

Sample NM CID GA-5 Practice Questions

Try these sample questions to test your NM CID GA-5 exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Per NMDOT 2019 Section 606.2.1, which four guardrail types are specified for metal-barrier work?
A.Single-face W-beam, double-faced W-beam, single-face thrie beam, and double-faced thrie beam
B.Cable median only, box-beam only, G1 cable, and G2 weak-post
C.Concrete Jersey only, F-shape only, constant-slope, and single-slope
D.Timber post-and-rail, stone masonry, chain-link, and stock fence
Explanation: NMDOT 2019 606.2.1 lists four guardrail types: single-face W-beam, double-faced W-beam, single-face thrie beam, and double-faced thrie beam. Rail elements are galvanized unless the Contract specifies weathering steel. GA-5 work is built from those metal-beam systems, not from fence or standalone concrete-wall products.
2Per NMDOT 2019 606.2.1.1.1, galvanized W-beam rail elements shall meet which AASHTO designation?
A.ASTM A 615 Grade 60 reinforcing bar
B.AASHTO M 180, Type 2, Class A
C.AASHTO M 111, Type 1, Class B only
D.AASHTO M 36, Type I corrugated pipe
Explanation: NMDOT 2019 606.2.1.1.1 requires a corrugated beam in accordance with AASHTO M 180, Type 2, Class A. Hardware and fittings follow AASHTO M 30 for the specified diameter and strength class. M 180 is the highway-guardrail sheet-steel specification, not a pipe or rebar spec.
3Per NMDOT 2019 606.3.1.2, in which direction shall W-beam and thrie-beam rail elements be overlapped?
A.Always toward the nearest bridge abutment regardless of traffic
B.Alternating left and right at every splice
C.In the same direction as the traffic flow of the nearest lane
D.Against traffic so the upstream end sits on top
Explanation: NMDOT 2019 606.3.1.2 requires rail elements to be erected smooth and continuous, with overlaps in the same direction as the traffic flow of the nearest lane. That lap keeps an errant vehicle from snagging an upstream rail end. Field drilling or cutting is limited to special connections and sampling.
4Per NMDOT 2019 606.2.4, a W-beam TL-3 end terminal may be used for which posted speeds?
A.Only posted speeds of 40 mph or less
B.Only posted speeds of 25 mph or less
C.Only posted speeds greater than 70 mph
D.All posted speeds
Explanation: NMDOT 2019 606.2.4 states that W-beam TL-3 end terminals may be used for all posted speeds. TL-2 terminals are limited to 40 mph or less. End treatments must be on the Department's Approved Products List and meet NCHRP Report 350 or AASHTO MASH.
5Per NMDOT 2019 606.2.4, a W-beam TL-2 end terminal may be used only where the posted speed is:
A.40 mph or less
B.45 mph or greater
C.55 mph only
D.Any posted speed if a TL-3 terminal is unavailable
Explanation: NMDOT 2019 606.2.4 limits W-beam TL-2 end terminals to posted speeds of 40 mph or less. TL-3 terminals cover all speeds. Substituting a TL-2 unit on a higher-speed run is not allowed simply because a TL-3 unit is not on the truck.
6Per NMDOT 2019 606.3, during construction the Contractor shall prevent which condition at unfinished metal or concrete barrier?
A.Placement of reflective barrier delineators
B.Exposed steel or concrete barrier ends that create a hazard to the traveling public
C.Any temporary concrete wall barrier within the project limits
D.Use of manufacturer-certified installers
Explanation: NMDOT 2019 606.3 requires the Contractor to prevent exposed steel or concrete barrier ends from creating a hazard to the traveling public. Unfinished runs need a crashworthy end treatment, a temporary connection, or shielding until the permanent terminal is in place. Temporary barrier itself is a specified product, not a prohibited condition.
7Per NMDOT 2019 606.3.1.2, curved W-beam or thrie-beam rails shall be shop-fabricated when the radius is:
A.1,000 ft or less
B.Any radius less than one mile
C.150 ft or less
D.500 ft or less
Explanation: NMDOT 2019 606.3.1.2 requires shop fabrication of curved rails having a radius of 150 ft or less to the Plan curvature. Field-bending a tight-radius rail kinks the corrugations and voids the crashworthy shape. Larger-radius runs may be sprung in the field as the Plans allow.
8Per NMDOT 2019 606.3.8, which curb type is not allowed at guardrail drainage installations?
A.Asphalt curb
B.Concrete curb
C.Asphalt curb placed below the offset block with its face aligned to the rail face
D.Metal curb
Explanation: NMDOT 2019 606.3.8 allows asphalt curb or concrete curb to direct runoff as specified, and expressly states that metal curbs are not allowed. Allowed curb is placed below the offset block with the curb face aligned with the face of the guardrail so the rail, not the curb, is the first contact surface.
9Per NMDOT 2019 606.2.9, which reflective barrier delineator colors are required?
A.Amber on median barriers and white on shoulder-side barriers
B.Red on all barriers and blue on ramps only
C.Green on medians and yellow on right shoulders only
D.Fluorescent pink on all temporary barrier
Explanation: NMDOT 2019 606.2.9 requires amber-colored reflective barrier delineators for median barriers and white reflectors for shoulder-side barriers, in accordance with the Contract and Section 703. Median installations are placed back to back. Color coding matches MUTCD delineator practice: amber toward opposing or two-way median traffic, white on the right.
10Per MUTCD 2003 Section 6F.02, temporary traffic-control warning signs shall have which color combination, except for the W10-1 railroad advance warning sign?
A.Red legend on a white rectangle
B.Black legend and border on an orange background
C.Black legend on a yellow background for all work-zone warnings
D.White legend on a green background
Explanation: MUTCD 2003 6F.02 requires TTC warning signs to have a black legend and border on an orange background. The Highway-Rail Grade Crossing Advance Warning (W10-1) sign stays black on yellow. Regulatory TTC signs follow Part 2 colors, not orange diamonds.

About the NM CID GA-5 Exam

The New Mexico CID GA-5 examination covers highway signs and guard rails. The official open-book PSI exam has 30 scored questions, a 75% passing standard (23 points), and 75 minutes allowed. Approved references include NMDOT 2019 specifications, MUTCD 2003, and the Greenbook public-works specifications (2006). PSI lists the fee at USD 68.88 (bulletin updated 4/3/2026). This English-language MCQ bank is a study aid, not an official PSI form.

Questions

30 scored questions

Time Limit

75 minutes

Passing Score

75% (23 of 30 points)

Exam Fee

USD 68.88 (PSI Services LLC (for New Mexico Construction Industries Division))

NM CID GA-5 Exam Content Outline

40%

Metal Barriers, Barricades, Traffic Control Devices

Guardrail, barriers, and traffic control (12 items)

17%

Highway Signs

Highway sign installation (5 items)

10%

Equipment Safety

Equipment safety (3 items)

17%

Estimating/Basis of Payment

Estimating and payment (5 items)

17%

Planning

Planning (5 items)

How to Pass the NM CID GA-5 Exam

What You Need to Know

  • Passing score: 75% (23 of 30 points)
  • Exam length: 30 questions
  • Time limit: 75 minutes
  • Exam fee: USD 68.88

Keys to Passing

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

NM CID GA-5 Study Tips from Top Performers

1Metal barriers and traffic-control devices are 12 of 30 official items. Study MUTCD 2003 with NMDOT guardrail details.
2This bank is an English-language MCQ study aid, not an official PSI form

Frequently Asked Questions

How many questions are on the NM GA-5 exam?

The official PSI examination has 30 scored questions. Passing is 75% (23 points) within 75 minutes (bulletin updated 4/3/2026).