........................................................................................................................
2. E. Hauer, P. Papaioannou, J. Ng, "Comparison systems in Road Safety Studies", Κοινή εργασία με τους Hauer E. και Ng J., Transport Safety Studies Group Publications, University of Toronto, 1988.
3. Π. Παπαϊωάννου, "Οδική Ασφάλεια: Μελέτες Πριν / Μετά και συστήματα ελέγχου. Μέρος 1ο Θεωρητική. Διερεύνηση - Συγκριτική Εξέταση", Επιστημονική Έκδοση των Τεχνικών Χρονικών του Τ.Ε.Ε. Τόμος 10, Τεύχος 3, 1990, Αθήνα, σελ. 155-171
4. Σ. Βούγιας Π. Παπαϊωάννου "Βασικά Χαρακτηριστικά Μετακινήσεων με Ταξί στη Θεσσαλονίκη", Επιστημονική Έκδοση των Τεχνικών Χρονικών του Τ.Ε.Ε. ,Τόμος 11, Τεύχος 1, 1991, Αθήνα, σελ 7-21.
5. E. Hauer, P. Papaioannou, J. Ng, “Prediction in Road Safety Studies, An Empirical Inquiry”, Accident Analysis and Prevention, Vol 23 No 6, pp 595-607, Great Britain 1991
6. Π. Παπαϊωάννου, “Διερεύνηση της Λειτουργίας του Δημοτικού Χώρου Στάθμευσης στο πρώην στρατόπεδο Τσιρογιάννη στη Θεσσαλονίκη”, Επιστημονική Έκδοση Τεχνικών Χρονικών ΤΕΕ, Τεύχος 13 Νο 4, 1993, Αθήνα σελ.83-106
7. P. Papaioannou, J.F. Simoes, “Technological Innovation in urban public Transport”, Επιστημονική έκδοση Transport and Communications Innovation in Europe, pp 149-174, Belhaven Press, Great Britain 1993
8. M. Morfoulaki, P. Papaioannou, Ch. Pyrgidis, “Accident Prediction at railway grade crossings: Application to the Greek railway network”, Rail Engineering International, Volume 23, No 4 1994, pp 9-12
9. Π. Παπαϊωάννου, Γ. Γεωργίου, “Η Φωτεινή Σηματοδότηση ως Εργαλείο Διαχείρισης της Κυκλοφορίας: Η περίπτωση της Θεσσαλονίκης”, Επιστημονική Έκδοση των Τεχνικών Χρονικών του ΤΕΕ, Τεύχος 18, Νο 3, Σεπτ-Δεκ. 1998, Αθήνα σελ. 85-96
10. P. Papaioannou, S. Basbas, Ch. Parathira, ”Environmental Impacts in Thessaloniki from Alternative Transportation Measures and Policies”, International Journal of Environmental Protection and Ecology, Official Journal of the Balkan Environmental Association, Vol 1, No 3-4, 2000, pp. 367-373
11. Π. Παπαϊωάννου, Γ. Γεωργίου, “Η εφαρμογή λωρίδας κυκλοφορίας για οχήματα υψηλής πλήρωσης στη Θεσσαλονίκη: Επιδράσεις στη κυκλοφορία και το περιβάλλον”, Επιστημονική Έκδοση των Τεχνικών Χρονικών του, Τεύχος 21 Νο (1-3), Αθήνα, 2001, σελ.191-203
12. Mintsis G., Basbas S., Papaioannou P. Taxiltaris C., Tziavos I.N., “Αpplications of GPS technology in the land transportation system”, European Journal of Operational Research, Publisher: Elsevier, 152 (2004), pp.399-409.
13. S. Basbas, P. Papaioannou, A. Kokkalis, “Environmental Considerations in Traffic Management Studies: Need for a new Approach”, 13th International Symposium on Environmental Pollution and its Impact on Life in the Mediterranean Region, Mediterranean Scientific Association of Environmental Protection, October 8-12, 2005, Thessaloniki, Greece. Paper accepted for publication in the Fresenius Environmental Bulletin, Official Journal of Mediterranean Scientific Association of Environmental Protection and International Academy of Environmental Safety, 2006
14. K. Evangelidis, S. Basbas & P. Papaioannou, “A GIS web-based traffic accident information system”, The Internet & Society ΙΙ: Advances in Education, Commerce & Governance, K. Morgan, C.A. Brebbia & J.M. Spector, (eds), WIT Transactions on Information and Communication Technology, Vol. 36, pp. 363-372, 2006
15. K. Evangelidis and P. Papaioannou, “Considering Network Demand Issues in GIS Transportation Data Modelling and Geographic Data Base Design”, International Journal of Geoinformatics, vol. 2, no.2, pp. 32-45, 2006
16. P. Papaioannou, “Driver Behaviour, Dilemma Zone and Safety Effects at Urban Signalised Intersections in Greece”, Paper accepted for publication in the “Accident Analysis and Prevention Journal”, Elsevier
17. I. Politis, P. Papaioannou, S. Basbas, N. Dimitriadis, "Evaluation of Bus Passenger Information Systems from the User’s Point of View in Thessaloniki, Greece",, Research in Transportation Economics, Vol 29 (2010), pp 249-255
18. E. Adamantidou, Y. Xenidis, P. Papaioannou, “Towards minimization of legal risks in Public-Private-Partnership projects: The case in Greece”,, International Journal of Construction Project Management, Special Issue, Nova Science Publishers Inc, New York , 2010
19. F. Mikiki, P. Papaioannou, “Investigating pro-environmental and active travel behaviour for successful sustainable travel promotion”, Transport Research Arena – Europe 2012, Procedia, Social and Behavioural Sciences, Elsevier, Athens 22-26 April 2012
20. F. Mikiki, M. Morfulaki, P. Papaioannou, “L'importance attribuée par les usagers des transports publics à l'information fournie par les technologies avancées: un levier pour l'investissement dans des systèmes cooperatives”, accepted for publication at “Recherche Transports Sécurité” Journal, in press
21. I. Politis, P. Papaioannou, S. Basbas, “Integrated Choice and Latent Variable Models for evaluating Flexible Transport Mode choice”, Research in Transportation Business & Management, Volume 3, Elsevier, (2012), p.p. 24-38
22. I. Politis, P. Papaioannou, S. Basbas, I. Stamos, “How do Large Scale Projects Contribute to Environmental Improvement: The Case of Thessaloniki Outer Ring Road”, Journal of Environmental Protection and Technology, Vol 13, Issue 1, (2012), ISSN 1311-5065, p.p. 219-226
23. P. Papaioannou, M. Pitsiava Latinopoulou, S. Basbas, I. Politis, N. Gavanas, “Measuring the Level of Acceptance for Sustainable Mobility In Universities”, Procedia – Social and Behavioural Science, Elsevier, Volume 48, (2012), p.p. 2768-2777
24. I. Politis, P. Papaioannou, S. Basbas, “Exploring the Effects of Attitudinal and Perception Characteristics of Drinking and Driving Incompliant Behaviour”, Accident Analysis and Prevention, Elsevier, Volume 60, November 2013, p.p. 316-323
25. G. Georgiadis, I. Politis, P. Papaioannou, “Measuring and Improving the Efficiency and Effectiveness of Public Transport Systems”, Research In Transportation Economics, Elsevier, (2014), doi: 10.1016/j.retrec.2014.09.035
26. P. Papaioannou, I. Politis, “Preliminary Impact Analysis of Countdown Signal Timer Installations at Two Intersections in Greece”, International Symposium on Safety Science and Technology, November 4-6, 2014, Bejiing, China, to be published in Procedia Engineering
27. I. Politis, P. Papaioannou, G. Georgiadis, “Airport Ground Access Binary Logit Models for Fixed Track Systems”, Transport Policy, forthcoming
28. G. Aretoulis, K. Zapounidis, P. Papaioannou, A. Seridou, “Classifying the Attributes of the Competent Greek Construction Project Manager”, International Journal of Management and Decision Making, forthcoming