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Government institution · Des Moines · ??

Iowa Department of Transportation

In research, Iowa Department of Transportation stands highest in Physical Sciences (#18,732 of 21,541 worldwide), over all time.

iowadot.govROR OpenAlex
World rank, all time
#34,120
of 42,892
Rank in ??
#652
of 1,041
Research works
178
▼ 15% vs 2013–17
Citations
2.9k
16.2 per fractional work
Top-10% rate
23.8%
record average 16.5%
Open access
18%
world 28%

What is Iowa Department of Transportation known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Physical SciencesDomain #18,732 of 21,541 16.1%151

Each strip is that field’s whole ranked pool, with the notch where Iowa Department of Transportation sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.09× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.32× its world share, 0 worksBiochemistry, Geneti…Computer Science: 0.04× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 3.98× its world share, 1 worksEarth and Planetary …Energy: 0.21× its world share, 0 worksEnergyEngineering: 3.87× its world share, 11 worksEngineeringEnvironmental Science: 2.44× its world share, 2 worksEnvironmental ScienceMaterials Science: 0.49× its world share, 0 worksMaterials ScienceHealth Professions: 0.83× its world share, 0 worksHealth ProfessionsMedicine: 0.07× its world share, 0 worksMedicineArts and Humanities: 1.18× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.57× its world share, 0 worksBusiness, Management…Decision Sciences: 1.14× its world share, 0 worksDecision SciencesPsychology: 0.86× its world share, 0 worksPsychologySocial Sciences: 0.53× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Earth and Planetary Sciences, 4.0×. Every wedge is a field page.

Which keywords describe research at Iowa Department of Transportation?

By fractional works in all years, weighted toward what it does more of than the world: Defect Detection, Recycled Materials, Deep Learning, Crack Detection, Pavement, Rheology, Nanomaterials and Life Cycle Assessment.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in all years in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Deep Learning23▲ 6.2×5 topics
  2. Defect Detection21▲ 114×2 topics
  3. Recycled Materials21▲ 178×2 topics
  4. Crack Detection20▲ 286×1 topic
  5. Pavement20▲ 286×1 topic
  6. Rheology20▲ 51×2 topics
  7. Nanomaterials19▲ 13×2 topics
  8. Asphalt19▲ 443×1 topic
  9. Bitumen Modification19▲ 443×1 topic
  10. Life Cycle Assessment19▲ 60×2 topics
  11. Liquefaction10▲ 76×2 topics
  12. Tunnel10▲ 76×2 topics
  13. Analysis8▲ 39×2 topics
  14. Pipeline7▲ 44×2 topics
  15. Earthquake7▲ 75×1 topic
  16. Seismic7▲ 75×1 topic
  17. Driver Behavior7▲ 62×2 topics
  18. Environmental Impact7▲ 2.9×9 topics
  19. Corrosion7▲ 32×3 topics
  20. Risk Factors6▲ 3.5×2 topics
  21. Injury Severity6▲ 50×1 topic
  22. Traffic Accidents6▲ 99×1 topic
  23. Soil Properties6▲ 22×4 topics
  24. Finite Element Analysis6▲ 14×6 topics
  25. Mechanical Properties6▲ 3.3×10 topics
  26. Water Quality5▲ 7.0×7 topics
  27. Reinforced Concrete5▲ 43×2 topics
  28. Service Quality5▲ 17×2 topics
  29. Public Transport5▲ 49×1 topic
  30. Travel Behavior5▲ 37×1 topic
  31. Chloride-induced5▲ 68×1 topic
  32. Construction5▲ 26×2 topics
  33. Structural Reliability5▲ 68×1 topic
  34. Intelligent Transportation Systems5▲ 29×3 topics
  35. Traffic Flow4▲ 41×2 topics
  36. Risk Management4▲ 7.1×2 topics
  37. Piezoelectric Sensors4▲ 38×2 topics
  38. Geosynthetics4▲ 51×2 topics
  39. Soil Reinforcement4▲ 39×2 topics
  40. Fiber Reinforcement4▲ 40×1 topic

Which research topics does Iowa Department of Transportation publish most on?

By volume in 2022–2025: Infrastructure Maintenance and Monitoring, Asphalt Pavement Performance Evaluation, Traffic and Road Safety and Geotechnical Engineering and Underground Structures.

Infrastructure Maintenan…2Infrastructure Maintenance and Monitoring: 2 fractional worksAsphalt Pavement Performance Evaluation: 1 fractional worksTraffic and Road Safety: 1 fractional worksGeotechnical Engineering and Underground Structures: 1 fractional worksUrban Transport and Accessibility: 1 fractional worksInnovative concrete rein…1Innovative concrete reinforcement materials: 1 fractional worksConcrete Corrosion and Durability: 0 fractional worksInnovations in Concrete and Construction Materials: 0 fractional worksConcrete and Cement Materials Research: 0 fractional worksGeotechnical Engineering and Soil Stabilization: 0 fractional works
Civil and Structural EngineeringSafety, Risk, Reliability and QualityTransportationBuilding and Construction

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Infrastructure Maintenance and Monitoring Civil and Structural Engineering 2 works
  2. 2 Asphalt Pavement Performance Evaluation Civil and Structural Engineering 1 works
  3. 3 Traffic and Road Safety Safety, Risk, Reliability and Quality 1 works
  4. 4 Geotechnical Engineering and Underground Structures Civil and Structural Engineering 1 works
  5. 5 Urban Transport and Accessibility Transportation 1 works
  6. 6 Innovative concrete reinforcement materials Civil and Structural Engineering 1 works
  7. 7 Concrete Corrosion and Durability Civil and Structural Engineering 0 works
  8. 8 Innovations in Concrete and Construction Materials Building and Construction 0 works
  9. 9 Concrete and Cement Materials Research Civil and Structural Engineering 0 works
  10. 10 Geotechnical Engineering and Soil Stabilization Civil and Structural Engineering 0 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available18.1%not open81.9%

World: 28% of research is openly available.

with international co-authors8.0%domestic only92.0%

World: 19% is written across borders.

How has Iowa Department of Transportation's research output changed?

Output in 2018–2022 was 15% lower than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Des Moines

All research institutions in Des Moines

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.