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Transportation Planning and Optimization

Transportation Planning and Optimization is a research topic within Transportation. Science Explorer counts 57k research works in it since 1950. 9.9% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on understanding attitudes towards public transport, travel behavior, service quality, route choice, congestion pricing, transit network design, travel time reliability, user satisfaction, traffic assignment, and urban mobility.

  • Public Transport
  • Travel Behavior
  • Service Quality
  • Route Choice
  • Congestion Pricing
  • Transit Network Design
  • Travel Time Reliability
  • User Satisfaction
  • Traffic Assignment
  • Urban Mobility
Research works
57k
fractional, since 1950
In the world top 10%
5.6k
per year above
Top-10% rate
9.9%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+0%
the tick is no change
Largest producer
China
50% of the 10 largest, 2022-now
Transportation Planning and Optimization

Which countries lead Transportation Planning and Optimization research?

By volume, China and the United States publish the most (4.3k and 1.4k works in 2022-now).

By volume, 2022-now

  1. 1 China 4.3k works
  2. 2 United States 1.4k works
  3. 3 India 674 works
  4. 4 Germany 400 works
  5. 5 United Kingdom 349 works
  6. 6 Indonesia 331 works
  7. 7 Japan 303 works
  8. 8 Italy 301 works
  9. 9 Canada 298 works
  10. 10 France 257 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 49.8%United States: 16.7%India: 7.8%Germany: 4.6%6 others listed: 21.2%50%largest
China4,317 · 49.8%United States1,447 · 16.7%India674 · 7.8%Germany400 · 4.6%6 others listed1,839 · 21.2%

Shares of the rows listed above, not of the whole node.

Which institutions lead Transportation Planning and Optimization research?

By volume in 2022-now, Beijing Jiaotong University publishes the most Transportation Planning and Optimization research, followed by Tongji University and Southeast University.

By volume, 2022-now

  1. 1 Beijing Jiaotong UniversityChina 324 works
  2. 2 Tongji UniversityChina 172 works
  3. 3 Southeast UniversityChina 141 works
  4. 4 Southwest Jiaotong UniversityChina 136 works
  5. 5 Chang'an UniversityChina 113 works
  6. 6 Hong Kong Polytechnic UniversityChina 80 works
  7. 7 Tsinghua UniversityChina 76 works
  8. 8 Delft University of TechnologyNetherlands 71 works
  9. 9 Central South UniversityChina 71 works
  10. 10 Beijing University of TechnologyChina 66 works

Who are the leading researchers in Transportation Planning and Optimization?

The most-cited researchers publishing on Transportation Planning and Optimization include Ted R. Miller, Gordon Brent Mills and Lídia Morawska.

  1. 1 Ted R. Miller United States 279k citations
  2. 2 Gordon Brent Mills United States 265k citations
  3. 3 Lídia Morawska Australia 244k citations
  4. 4 Leo Breiman United States 243k citations
  5. 5 Kai You Wang China 224k citations
  6. 6 Steven J.M. Jones Canada 200k citations
  7. 7 Harry Eugene Stanley United States 198k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Transportation Planning and Optimization?

The most cited paper in Transportation Planning and Optimization is "Spurious regressions in econometrics" (Clive W. J. Granger, Paul Newbold, 1974), with 6,269 citations. Next come "Qualitative data analysis (2nd ed)" (5,607) and "Travel and the Built Environment" (5,353).

Most cited papers
#PaperReleasedCitations
1 Spurious regressions in econometrics Clive W. J. Granger, Paul Newbold · Journal of Econometrics Jul 1974 6,269
2 Qualitative data analysis (2nd ed) Janice M. Morse · Journal of Psychosomatic Research Sep 1996 5,607
3 Travel and the Built Environment Reid Ewing, Robert Cervero · Journal of the American Planning Association 13 May 2010 5,353
4 Congested traffic states in empirical observations and microscopic simulations Martin Treiber, Ansgar Hennecke, Dirk Helbing · Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics Open access Aug 2000 4,784
5 On kinematic waves II. A theory of traffic flow on long crowded roads Michael James Lighthill, Gerald Beresford Whitham · Proceedings of the Royal Society of London A Mathematical and Physical Sciences 10 May 1955 4,671
All 99 most cited papers, with filters and sorting

Where is Transportation Planning and Optimization research done?

The largest centres of Transportation Planning and Optimization research in 2022-now are Beijing (China), Shanghai (China), Nanjing (China) and Chengdu (China). Among places with at least 20 works in it, it is an unusually large share of all research in Champs-sur-Marne and Delft.

Largest cities, 2022-now

  1. 1 BeijingChina 1k works
  2. 2 ShanghaiChina 399 works
  3. 3 NanjingChina 305 works
  4. 4 ChengduChina 205 works
  5. 5 Xi'anChina 190 works
  6. 6 Hong KongChina 157 works
  7. 7 WuhanChina 147 works
  8. 8 GuangzhouChina 137 works
  9. 9 ChangshaChina 120 works
  10. 10 TokyoJapan 117 works

Where it is the local speciality

  1. Champs-sur-MarneFR · 38.5 works13×
  2. DelftNL · 77.0 works8.0×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Transportation Planning and Optimization than the world average.

See Transportation Planning and Optimization on the map

Where is the best place to study Transportation Planning and Optimization?

Among universities, judged by research, Hong Kong Polytechnic University, Hong Kong University of Science and Technology and University of Hong Kong score highest, combining citation excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%30%mean 21.57%fractional works in this field (log) →share of work in the world top 10% →University of Hong K…Hong Kong University…Hong Kong Polytechni…McGill University
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Citation excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Hong Kong Polytechnic UniversityChina 79.224.1%8.5×80 +34.3%
2Hong Kong University of Science and TechnologyChina 78.326.0%7.4×34 +47.1%
3University of Hong KongChina 73.426.5%4.2×43 +10.6%
4McGill UniversityCanada 63.118.9%2.3×25 +24.4%
5National University of SingaporeSingapore 61.018.9%2.8×36 +11.6%
6Chinese University of Hong KongChina 59.823.7%1.6×12 +60.8%
7Tongji UniversityChina 59.713.5%10.3×172 +8.4%
8Chalmers University of TechnologySweden 59.424.2%6.3×18 -8.5%
9Delft University of TechnologyNetherlands 58.916.7%9.7×71 -41.6%
10Roma Tre UniversityItaly 58.523.2%7.9×14 +4.9%

Universities only. The score blends citation excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Transportation Planning and Optimization, country by country

Is Transportation Planning and Optimization research growing?

Output in 2022-2025 was 0% higher than in 2018-2021, peaking in 2022. The fastest-growing topics are Transportation Planning and Optimization.

still counting19801990200020102020
grewheldshrank

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

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Transportation Planning and Optimization as a percentage of every work published that year, 0.054% in 2024.

still counting0.025%0.050%0.075%Transportation Planning and Optimization0.047% in 202519801990200020102020

Fractional works of Transportation Planning and Optimization over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Transportation Planning and Optimization10.1% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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