D1. Knowledge and understanding.
At the end of the course the student must be able to know the methodological and normative aspects concerning: the conception of road infrastructures in relation to their function in the territory; the geometric design of road infrastructures in relation to safety and efficiency of circulation.

D2. Applying knowledge and understanding.
At the end of the course the student must be able to apply the acquired knowledge to the resolution of road design problems.

D3. Making judgements.
At the end of the course the student must be able to make the most appropriate choices in relation to various possible design alternatives.

D4. Communication skills.
At the end of the course the student must be able to express himself, effectively, appropriately and with specific language, on the concepts learned during the course.

D5. Learning skills.At the end of the course the student must be able, in an autonomous way, to deepen the themes developed during the teaching and to address new topics related to the subject matter.

None

A. TOPICS OF THE COURSE


INTRODUCTION TO THE COURSE (lez. 01).
Course development and examinations, concept of road infrastructure, the design of road infrastructure; historical development of transport and road infrastructure; development of infrastructures, transport demand and accident rates in Italy with international comparisons. Reference standard in the design and planning of transport infrastructure.

CLASSIFICATION OF TRANSPORT INFRASTRUCTURE (lez. 02).
Function of road infrastructure; road networks: the functional classification of roads; the administrative classification; other classifications; the traffic components; elements of road space; composition of the roadway; marginal elements. barriers; the cross section.

VEHICLES AND USERS (lez. 03).
Dimensions and performance of vehicles; resistance to motion; equation of traction; rolling condition of a wheel; friction; user performance.

SIGHT DISTANCES (lez. 04).
Stopping distance; overtaking distance; distance for change lane; verification of sight distances.

THE DESIGN OF THE PLANIMETRIC ALIGNMENT (lez. 05).
Road planimetric alignment, tangents, bends, spirals.

CRITERIA FOR THE COMPOSITION OF THE ROAD AXIS (lez. 06).
The design speed; the speed diagram.

THE DESIGN OF ALTIMETRIC ALIGNMENT (lez. 07)
The longitudinal gradients; the vertical curves; additional lanes for slow vehicles.


B. EXERCISES

Computing performance vehicles in relation to road conditions.

Calculation of sight distances.

Planimetric road curves design (circular curve and spiral), composition planimetric road axis.

Design of altimetric alignment.

- T. Esposito, R. Mauro – Fondamenti di Infrastrutture Viarie, La Geometria Stradale – Hevelius Edizioni.
- T. Esposito, R. Mauro – Fondamenti di Infrastrutture Viarie, La Progettazione Funzionale delle Strade – Hevelius Edizioni.
- M. Agostinacchio, D. Ciampa, S. Olita – Strade Ferrovie Aeroporti – EPC Libri.
- M. Agostinacchio, D. Ciampa, S. Olita – La Progettazione delle strade – EPC Libri.
- F.A. Santagata – Strade, Teoria e tecnica delle costruzioni stradali, vol.1 progettazione – Pearson
- F.A. Santagata – Strade, Teoria e tecnica delle costruzioni stradali, vol.2 costruzione, gestione, manutenzione - Pearson
- G. Dondi, C. Lantieri, A. Simone, V. Vignati – Costruzioni stradali – Hoepli.
- Andrea Benedetto – Strade Ferrovie Aeroporti - UTET
- G. Tesoriere - Strade ferrovie aeroporti, il progetto e le opere d'arte, vol. 1. - UTET
- P. Ferrari, F. Giannini – Ingegneria stradale Vol. 1 Geometria e progetto di strade. – Ed. ISEDI.
- D.L. 30 aprile 1992 n 285 Nuovo Codice della Strada.
- D.P.R. 16 dicembre 1992 n 495 Regolamento di esecuzione e di attuazione del nuovo codice della strada.
- D.M. 6792 dd 5 novembre 2001 Norme funzionali e geometriche per la costruzione delle strade.
- D.M. 19 aprile 2006 Norme funzionali e geometriche per la costruzione delle intersezioni stradali.
- Course Resources: University Moodle

A. TOPICS OF THE COURSE


INTRODUCTION TO THE COURSE (lez. 01).
Course development and examinations, concept of road infrastructure, the design of road infrastructure; historical development of transport and road infrastructure; development of infrastructures, transport demand and accident rates in Italy with international comparisons. Reference standard in the design and planning of transport infrastructure.

CLASSIFICATION OF TRANSPORT INFRASTRUCTURE (lez. 02).
Function of road infrastructure; road networks: the functional classification of roads; the administrative classification; other classifications; the traffic components; elements of road space; composition of the roadway; marginal elements. barriers; the cross section.

VEHICLES AND USERS (lez. 03).
Dimensions and performance of vehicles; resistance to motion; equation of traction; rolling condition of a wheel; friction; user performance.

SIGHT DISTANCES (lez. 04).
Stopping distance; overtaking distance; distance for change lane; verification of sight distances.

THE DESIGN OF THE PLANIMETRIC ALIGNMENT (lez. 05).
Road planimetric alignment, tangents, bends, spirals.

CRITERIA FOR THE COMPOSITION OF THE ROAD AXIS (lez. 06).
The design speed; the speed diagram.

THE DESIGN OF ALTIMETRIC ALIGNMENT (lez. 07)
The longitudinal gradients; the vertical curves; additional lanes for slow vehicles.


B. EXERCISES

Computing performance vehicles in relation to road conditions.

Calculation of sight distances.

Planimetric road curves design (circular curve and spiral), composition planimetric road axis.

Design of altimetric alignment.

Lectures and exercises

Link course resources, university moodle: https://moodle2.units.it

Presentation of exercises book and oral examination with questions for verification of topic knowledge and resolution of exercises.