Paper format. National Examinations, December
2017, 16-Civ-A6 — Highway Design, Construction and Maintenance. Seven
questions of equal value (20 marks each), three hours, closed book with one
hand-written aid sheet and five pages of attached tables and charts. Only the
first five solutions are marked, but because this set is a study resource
all seven questions are solved here. Unless a question states
otherwise, the perception–reaction time is taken as
$t_{pr}=2.5\ \text{s}$ (AASHTO design value) under NOTE 2 on page 1, and
$g=9.81\ \text{m/s}^2$.
Reference texts.
- Garber, N.J. and Hoel, L.A., Traffic and Highway Engineering,
5th ed. — Ch. 3 (driver/vehicle characteristics and stopping sight
distance), Ch. 15 (geometric design of highway facilities), Ch. 20 (design of
flexible highway pavements).
- AASHTO, Guide for Design of Pavement Structures, 1993 —
Part II Ch. 2 (flexible pavement design), Appendix D (axle-load equivalency
factors). The tables reproduced on pages 6–8 of the examination are
Tables 4.2, 4.3 and 4.5 of Garber & Hoel, taken from this guide.
- AASHTO, A Policy on Geometric Design of Highways and Streets
(Green Book), 7th ed. — Ch. 3 (sight distance, horizontal and vertical
alignment).
- Transportation Association of Canada, Geometric Design Guide for
Canadian Roads — Ch. 1.2 (design controls), Ch. 2.1
(sight distance), Ch. 2.2 (horizontal alignment), Ch. 2.3 (vertical
alignment). This is the governing Canadian guide; its sight-distance and
minimum-radius models are the same ones the examination equation sheet
supplies.
- Transportation Association of Canada, Pavement Asset Design and
Management Guide — the Canadian counterpart to the AASHTO 1993
structural-number procedure used in Questions 5 to 7.
