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Understand the method.
Prepare to pass.

Prepare for your next PE, ARE 5.0 or PMP exam with a clear study path. Find your gaps, understand why answers are right or wrong, and practice applying the method to unfamiliar questions.

Free practice · No account required

ReasonSpan™ PE Civil Construction illustrated study guide cover
Inside ReasonSpan™See the system.
Understand the decision.

Explore illustrated ebooks and complete worked lessons.

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Choose your exam

NCEES PE examination

PE Civil Construction

Build confidence in construction calculations, reference searches and timed decisions. Start with a diagnostic, then focus your review and rehearse with a full-length mock.

$129Online program · One-time payment · 90 days of access

No recurring subscriptions. Free practice requires no account or payment. Review the full coverage and access terms on each program page.

Questions before you enroll? Read the general and program Q&A.

The ReasonSpan™ approach

A clear next step for every study session.

Find the gap, learn the governing method and apply it to a new question.

Diagnose your gaps

Review accuracy, confidence, time and answer changes to choose the concepts, calculations or decisions that deserve your next study session.

Learn the method

Go directly to focused theory and worked examples for the gap. Understand the governing decision and why other answer choices do not fit.

Check your understanding

Apply the method to new questions and changed conditions. Use the results to decide whether to move on or revisit the topic, then rehearse with timed mocks.

Programs in development

Explore the current program outlines and available study previews. Paid enrollment is not open for these programs; release dates will be announced when ready.

In development · Invited pilot

ARE 5.0 Project Planning and Design (PPD)

58 theory lessons, 120 Decision Cards, original practice and two 100-question mock forms. Explore the program outline; full study access is available to invited pilot participants.

Explore the PPD program
In development · Free study preview

PE Mechanical: HVAC and Refrigeration

Explore 24 theory lessons and specialist extensions, an 80-question diagnostic, 144 targeted questions, 24 independent transfer checks and two 80-question mocks. Sign in for saved progress and study planning.

Explore the free study preview

These programs are not included in current purchases. Preview access differs by program. Opening a program page does not enroll you or subscribe you to a mailing list.