
Open Access statistics for Iowa Department of Transportation, United States, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
23%
Total
Publications
317
Total Open
Publications
72
Total
Citations
4.1K
Open Access
Percentage
23%
Total
Publications
317
Total Open
Publications
72
Total
Citations
4.1K
Breakdown
Publisher Open
6%
Both
10%
Other Platform Open
5%
Closed
79%
Percentage of Open Access over time
Publisher Open
Both
Other Platform Open
Closed
Volume of Open Access over time
Open
Closed
Publisher Open
OA Journal 58%
29
Hybrid 30%
15
No Guarantees 12%
6
Other Platform Open
Institution 87%
40
Other Internet 20%
9
Preprint 9%
4
Domain 4%
2
Public 2%
1
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
doaj.org OAI-PMH Repository | Institution | 24 |
DOI | Other Internet | 9 |
University of South Florida | Institution | 3 |
University of Iowa | Institution | 3 |
Queensland University of Technology | Institution | 3 |
lsu.edu OAI-PMH Repository | Institution | 3 |
Unknown Repository | Other Internet | 2 |
University of New Haven | Institution | 2 |
Research Square | Preprint | 2 |
PubMed Central | Domain | 2 |