Aims & Backgrounds: TOD is recognized as a successful approach to solving traffic problems internationally.In Iran, with more than 20 years of study history, its implementation has been unsuccessful and its issues have not been studied in integrated manner within the country, causing ambiguity for decision-makers. The aim of this article was to review and Content analysis of scientific outputs 20 years TOD in Iran.
Methodology:This research employs a scientometric approach, systematic review (SLR), content analysis with an inductive approach by referring to the text of the researches in the relevant websites, coding the main concepts and examining the researches in 4 dimensions of time, indexing rate of researches, subject area and the main studies flow with Excel and MAXQDA softwares.The statistical population consists of 193 Persian TOD studies. Data were collected through documentary research and keyword searches from three Iranian scientific databases, covering the period from 2003 to 2023.
Findings:After coding and categorizing 116 theses, 67 articles and 10 books, finally, 293 thematic codes were extracted and analyzed into 3 main categories with the opinion of three university experts. The findings revealed two key characteristics of TOD in Iran. First, the research trend has been upward but fluctuating, with the highest number of studies indexed in 2020. Second, there is a theoretical gap in topics tourism, justice, and housing.
Results: Thematic distribution of sources included 179 codes of theses, 100 codes of articles and 14 codes of books.Results indicate insufficient volume, imbalance in temporal and thematic trends, and a lack of comprehensive research about TOD approach in Iran. The concept of TOD interpreted at the station level, and the main focus of studies is on evaluating and measuring its impact on the current situation (41%).The findings are useful for identifying research gaps and informing future decision-making by urban planners.