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ENCE 304Bachelor in Civil Engineering · Semester 51 Paper Available

Transportation Engineering I

Past examination question papers and complete curriculum syllabus for Transportation Engineering I (ENCE 304), Bachelor in Civil Engineering Semester 5 under Institute of Engineering (IOE), Tribhuvan University.

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5th-sem_Transportation Engineering I.pdf

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Most Frequently Asked Questions

Top recurring IOE board exam questions for Transportation Engineering I with verified mark schemes, formula notation, and recurrence frequency.

Showing 30 of 30 top repeated questions

Transportation System, Planning and Engineering

4 Questions
#1Repeated 5 Times[5 Marks]Transportation System, Planning and Engineering
Explain the classification of roads in Nepal according to the Nepal Road Standard (NRS 2070): Administrative classification (National Highways, Feeder Roads, District Roads, Urban Roads) and Technical classification (Class I, II, III, IV).
Appeared in:2081 Chaitra2080 Chaitra2078 Chaitra2076 Baisakh2074
#2Repeated 5 Times[5 Marks]Transportation System, Planning and Engineering
Explain the historical development of road construction methods with neat sketches, highlighting the contributions of Tresaguet, Telford, and John Macadam.
Appeared in:2080 Chaitra2079 Chaitra2078 Chaitra2076 Baisakh2073
#3Repeated 4 Times[6 Marks]Transportation System, Planning and Engineering
Define runway and taxiway. Describe the primary aeronautical and environmental factors to be considered in airport site selection.
Appeared in:2082 Chaitra2080 Chaitra2078 Chaitra2075 Bhadra
#4Repeated 3 Times[6 Marks]Transportation System, Planning and Engineering
Discuss the role of transportation in socioeconomic development. Compare road, rail, air, and ropeway modes in terms of cost, energy efficiency, accessibility, and applicability in Nepal.
Appeared in:2083 Baishakh2081 Bhadra2079 Chaitra

Highway Engineering

3 Questions
#1Repeated 5 Times[6 Marks]Highway Engineering
What are the essential requirements of an ideal highway alignment (short, easy, safe, economical)? Describe the four stages of engineering surveys for highway location: map study, reconnaissance, preliminary survey, and final location/detailed survey.
Appeared in:2082 Chaitra2081 Chaitra2080 Chaitra2079 Chaitra2076 Bhadra
#2Repeated 5 Times[6 Marks]Highway Engineering
Explain the special factors controlling highway alignment in mountainous and hilly terrain. Define ruling gradient, limiting gradient, exceptional gradient, minimum gradient, and momentum gradient with codal values.
Appeared in:2082 Chaitra2080 Ashwin2078 Chaitra2076 Bhadra2075 Bhadra
#3Repeated 3 Times[8 Marks]Highway Engineering
Explain the various stages of engineering surveys for highway location: Map Study, Reconnaissance Survey, Preliminary Survey, and Final Location and Detailed Design Survey.
Appeared in:2082 Bhadra2080 Chaitra2077 Magh

Geometric Design of Highway

12 Questions
#1Repeated 5 Times[6 Marks]Geometric Design of Highway
Explain in detail how design speed, design vehicle dimensions, traffic volume, and terrain topography govern the geometric design of a highway.
Appeared in:2082 Chaitra2081 Chaitra2080 Chaitra2078 Chaitra2075 Bhadra
#2Repeated 5 Times[8 Marks]Geometric Design of Highway
Define Stopping Sight Distance (SSD) and Overtaking Sight Distance (OSD). Derive the formula for SSD on level roads and grades. Check whether it is safe to overtake in a two-lane two-way highway for given available sight distance, design speed, reaction time, and overtaking maneuvers.
Appeared in:2082 Chaitra2082 Kartik2081 Chaitra2080 Ashwin2078 Chaitra
#3Repeated 5 Times[8 Marks]Geometric Design of Highway
What is superelevation? Derive the formula for equilibrium superelevation e = V^2 / (225*R) for mixed traffic conditions. Explain the step-by-step design procedure of superelevation on horizontal curves as per IRC / NRS guidelines.
Appeared in:2082 Kartik2081 Chaitra2080 Chaitra2078 Chaitra2076 Baisakh
#4Repeated 5 Times[6 Marks]Geometric Design of Highway
Why is extra widening of pavement required on horizontal highway curves? Derive the expression for total extra widening We = (n*l^2)/(2*R) + V/(9.5*sqrt(R)) by separating mechanical widening and psychological widening.
Appeared in:2081 Chaitra2080 Ashwin2078 Chaitra2076 Bhadra2075 Bhadra
#5Repeated 5 Times[8 Marks]Geometric Design of Highway
Explain the functions and types of transition curves used in highways. Calculate the length of transition curve and shift for a horizontal curve given: design speed = 80 km/h, curve radius = 250 m, allowable rate of change of centrifugal acceleration = 0.7 m/s^3, and allowable rate of introduction of superelevation = 1 in 150.
Appeared in:2082 Chaitra2081 Chaitra2080 Chaitra2079 Chaitra2076 Bhadra
#6Repeated 5 Times[8 Marks]Geometric Design of Highway
A parabolic vertical valley curve joining an ascending gradient of 2% to another ascending gradient of 6% is designed for comfort criteria. Design the curve length required to satisfy headlight sight distance (HSD) conditions and calculate the elevation of the lowest point on the curve.
Appeared in:2082 Chaitra2080 Chaitra2079 Ashwin2078 Chaitra2075 Bhadra
#7Repeated 4 Times[8 Marks]Geometric Design of Highway
Derive the formula for Stopping Sight Distance (SSD): $SSD = v t + \frac{v^2}{2g(f \pm S/100)}$ where $t$ is reaction time (PIEV theory) and $f$ is longitudinal friction coefficient. Calculate SSD on a $3\%$ downgrade at $65\text{ km/h}$.
Appeared in:2082 Chaitra2080 Baishakh2078 Bhadra2076 Chaitra
#8Repeated 4 Times[8 Marks]Geometric Design of Highway
Derive the Overtaking Sight Distance (OSD) expression: $OSD = d_1 + d_2 + d_3 = 0.278 v_b t + (0.278 v_b T + \frac{1}{2} a T^2) + 0.278 v T$. Calculate OSD for design speed $80\text{ km/h}$ and acceleration $0.72\text{ m/s}^2$.
Appeared in:2083 Baishakh2081 Chaitra2079 Baishakh2075 Bhadra
#9Repeated 4 Times[8 Marks]Geometric Design of Highway
Explain ruling gradient, limiting gradient, exceptional gradient, and minimum gradient. What is grade compensation on horizontal curves and why is it provided? Compute compensated gradient for a $5\%$ grade on a curve of radius $60\text{ m}$.
Appeared in:2083 Baishakh2081 Bhadra2077 Chaitra2074 Bhadra
#10Repeated 3 Times[6 Marks]Geometric Design of Highway
Calculate the minimum radius of a horizontal circular curve for a National Highway with design speed $80\text{ km/h}$, maximum superelevation $e_{\max} = 0.07$, and lateral friction factor $f = 0.15$.
Appeared in:2082 Bhadra2081 Baishakh2078 Chaitra
#11Repeated 3 Times[6 Marks]Geometric Design of Highway
Explain the methods of introducing superelevation on a highway curve: elimination of crown and rotation of pavement about centerline vs rotation about inner edge. Discuss their merits and demerits.
Appeared in:2082 Chaitra2080 Chaitra2076 Chaitra
#12Repeated 3 Times[8 Marks]Geometric Design of Highway
Design a summit vertical curve connecting an ascending gradient of $+2.5\%$ and a descending gradient of $-1.5\%$ to provide safe Stopping Sight Distance for a design speed of $65\text{ km/h}$.
Appeared in:2081 Chaitra2079 Chaitra2075 Bhadra

Highway Drainage

5 Questions
#1Repeated 5 Times[6 Marks]Highway Drainage
Explain the importance of highway drainage. Differentiate between surface drainage and sub-surface drainage systems. Describe the design of longitudinal roadside drains, catchwater drains, and cross-drainage structures with neat sketches.
Appeared in:2082 Chaitra2081 Chaitra2080 Ashwin2078 Chaitra2076 Baisakh
#2Repeated 4 Times[6 Marks]Highway Drainage
What are the primary causes of moisture variation in highway subgrade soil? Describe methods for lowering the groundwater table and intercepting seepage flow under highway pavements.
Appeared in:2082 Chaitra2080 Chaitra2078 Chaitra2075 Bhadra
#3Repeated 3 Times[6 Marks]Highway Drainage
Explain the design of roadside side drains: trapezoidal, saucer-shaped, and rectangular drains in cutting sections. Determine the required cross-section using Manning's equation for design runoff.
Appeared in:2082 Bhadra2080 Baishakh2078 Chaitra
#4Repeated 3 Times[8 Marks]Highway Drainage
Describe cross-drainage structures in hill roads: pipe culverts, slab culverts, box culverts, and causeways/scuppers. Explain their location selection and hydraulic capacity estimation.
Appeared in:2083 Baishakh2082 Chaitra2080 Chaitra
#5Repeated 3 Times[6 Marks]Highway Drainage
Explain subsurface drainage systems for highways: longitudinal sub-drains, transverse drains, and lowering of high water table below the subgrade.
Appeared in:2081 Bhadra2079 Baishakh2077 Magh

Highway Materials

6 Questions
#1Repeated 5 Times[8 Marks]Highway Materials
Explain the California Bearing Ratio (CBR) test for highway subgrade soil evaluation. Describe sample preparation, soaking, load-penetration curve, corrections, and how the design CBR value is selected.
Appeared in:2081 Chaitra2080 Chaitra2078 Chaitra2076 Baisakh2075 Bhadra
#2Repeated 5 Times[8 Marks]Highway Materials
List the desirable engineering properties of road aggregates. Explain the standard laboratory test procedures for: (i) Los Angeles Abrasion test, (ii) Aggregate Impact test, and (iii) Flakiness and Elongation Index tests.
Appeared in:2082 Kartik2081 Chaitra2079 Chaitra2078 Chaitra2076 Bhadra
#3Repeated 5 Times[6 Marks]Highway Materials
Explain the laboratory testing procedures and engineering significance of tests on bitumen binders: (i) Penetration test, (ii) Ductility test, and (iii) Softening point test (Ring and Ball apparatus).
Appeared in:2082 Chaitra2080 Ashwin2078 Chaitra2076 Baisakh2074
#4Repeated 5 Times[8 Marks]Highway Materials
What is the difference between bulk specific gravity and apparent specific gravity of aggregates? Describe the Marshall Method of Bituminous Mix Design and explain the determination of Optimum Bitumen Content (OBC) using Marshall property curves.
Appeared in:2082 Chaitra2081 Chaitra2080 Chaitra2079 Chaitra2076 Baisakh
#5Repeated 3 Times[6 Marks]Highway Materials
Describe the Los Angeles Abrasion Test and Aggregate Impact Value (AIV) test for road aggregates. What are the maximum permissible limits for wearing courses and base courses?
Appeared in:2082 Bhadra2080 Baishakh2076 Bhadra
#6Repeated 3 Times[6 Marks]Highway Materials
Explain the Penetration Test, Softening Point Test (Ring and Ball), and Ductility Test on paving bitumen. How are viscosity grades (VG-10, VG-30, VG-40) specified?
Appeared in:2083 Baishakh2081 Chaitra2078 Bhadra

Curriculum Syllabus & Course Topics

Sourced from TU curriculum portal
Full Syllabus (PDF)Micro Syllabus (PDF)
Chapter-wise Units & Micro-Syllabus Topics (5 Units)

  1. 1. Transportation System, Planning and Engineering

    • 1.1Transportation system
    • 1.2Transportation planning
    • 1.3Transportation engineering
    • 1.4Traffic Engineering

  2. 2. Highway Engineering

    • 2.1Highway engineering and scope
    • 2.2Advantages of road transportation
    • 2.3History of road development
    • 2.4Classification of roads in Nepal (NRS, NRRS, NURS)
    • 2.5Highway alignment

  3. 3. Geometric Design of Highway

    • 3.1Factors controlling geometric design of highway
    • 3.2Design of cross-sectional elements of highway
    • 3.3Design of horizontal alignment: Tangents; Curves including transition curves; Hair pin bends; Setback requirement considering sight distance
    • 3.4Design of vertical alignment: Gradient; Grade compensation; Vertical curve
    • 3.5Combination of horizontal and vertical alignment, safety in road design

  4. 4. Highway Drainage

    • 4.1Highway drainage and its importance
    • 4.2Requirements of highway drainage
    • 4.3Causes of moisture variation in subgrade soil
    • 4.4Classification of highway drainage: Surface drainage; Subsurface drainage; Cross drainage
    • 4.5Erosion control and energy dissipation measures in highway drainage structures along with special drainage structures in hill roads

  5. 5. Highway Materials

    • 5.1Introduction and classification of highway materials
    • 5.2Subgrade soil: Desirable properties; CBR test
    • 5.3Road aggregates: Desirable properties; Lab tests; Gradation analysis
    • 5.4Bituminous binders: Introduction, types and lab tests
    • 5.5Bituminous mixes: Definition and types; Bituminous concrete mix design

Examination Scheme & Marks Distribution

Evaluation Structure

  • Final Board Theory Exam: 60 Marks (Pass mark: 24)
  • Internal Assessment: 40 Marks (Pass mark: 16)
  • Practical / Lab Exam: 25 or 50 Marks (Continuous lab evaluation + viva, where applicable)

* This is the general current IOE 60/40 scheme; verify course-specific details in the syllabus above.

Exam Preparation Guidelines

  • Review the available past examination paper to understand question styling, typical derivation topics, and marks allocation.
  • Practice design calculations, standard code provisions, and illustrative cross-section sketches.
  • Structure answers with labeled diagrams, concise bullet points, and highlight final answers in numerical solutions.

Frequently Asked Questions (Transportation Engineering I)

Q: How can I download Transportation Engineering I past question papers?

You can preview or download the Transportation Engineering I question papers (PDF) directly using the built-in viewer on this page with zero redirects or paywalls.

Q: What is the pass mark for Transportation Engineering I?

The general current scheme is a 60-mark final theory exam and a 40-mark internal assessment, with pass marks of 24 and 16. Verify the course-specific syllabus above.

Q: Where can I find the complete syllabus for this subject?

The available chapter-wise syllabus and topic breakdown is indexed in the Syllabus section above, with links to the curriculum PDF source.

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