Urban Transport and Accessibility

Urban Transport and Accessibility is a research topic within Transportation. Science Explorer counts 51k research works in it since 1954. 10.0% of them reached the world's top 10% most cited for their field and year.

This cluster of papers explores the influence of the built environment on active travel, focusing on factors such as neighborhood walkability, accessibility, and environmental correlates. It delves into the impact of urban design, transportation infrastructure, and health impact assessments on promoting physical activity through active modes of travel.

Built Environment
Active Travel
Physical Activity
Transportation
Urban Design
Health Impact Assessment
Bike Sharing
Neighborhood Walkability
Accessibility
Environmental Correlates

Research works: 51k
In the world top 10%: 5.1k
Top-10% rate: 10.0%
Growth, 2018-21 → 2022-25: +22%
Largest producer: China

Urban Transport and Accessibility

Which countries lead Urban Transport and Accessibility research?

By volume, China and the United States publish the most (4k and 2.4k works in 2022-now).

By volume, 2022-now

1 China 4k works
2 United States 2.4k works
3 United Kingdom 786 works
4 India 624 works
5 Canada 562 works
6 Australia 544 works
7 Germany 477 works
8 Japan 466 works
9 Brazil 425 works
10 Spain 386 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.

China4,023 · 37.6%United States2,411 · 22.5%United Kingdom786 · 7.3%India624 · 5.8%6 others listed2,861 · 26.7%

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

Which institutions lead Urban Transport and Accessibility research?

By volume in 2022-now, Chinese Academy of Sciences publishes the most Urban Transport and Accessibility research, followed by Tongji University and Southeast University.

By volume, 2022-now

1 Chinese Academy of SciencesChina 121 works
2 Tongji UniversityChina 110 works
3 Southeast UniversityChina 105 works
4 Peking UniversityChina 92 works
5 Beijing Jiaotong UniversityChina 84 works
6 University College LondonUnited Kingdom 73 works
7 University of TorontoCanada 72 works
8 University of Hong KongChina 69 works
9 Wuhan UniversityChina 68 works
10 Delft University of TechnologyNetherlands 67 works

Who are the leading researchers in Urban Transport and Accessibility?

The most-cited researchers publishing on Urban Transport and Accessibility include Simon Iain Hay, Theo Vos and George Davey Smith.

1 Simon Iain Hay United States 452k citations
2 Theo Vos United States 439k citations
3 George Davey Smith United Kingdom 435k citations
4 Ali H. Mokdad United States 429k citations
5 Walter Churchill Willett United States 411k citations
6 Ronald C. Kessler United States 360k citations
7 Cyrus Cooper United Kingdom 342k citations
8 Mika Kivimäki United Kingdom 318k citations
9 Farshad Farzadfar Iran 298k citations
10 Salim Yusuf Canada 294k 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 Urban Transport and Accessibility?

The most cited paper in Urban Transport and Accessibility is "Travel and the Built Environment" (Reid Ewing, Robert Cervero, 2010), with 5,353 citations. Next come "The National Human Activity Pattern Survey (NHAPS): a resource for assessing exposure to environmental pollutants" (4,843) and "Travel demand and the 3Ds: Density, diversity, and design" (4,576).

Most cited papers
#	Paper	Released	Citations
1	Travel and the Built Environment Reid Ewing, Robert Cervero · Journal of the American Planning Association	13 May 2010	5,353
2	The National Human Activity Pattern Survey (NHAPS): a resource for assessing exposure to environmental pollutants Neil E. Klepeis, William C. Nelson, Wayne R. Ott et al. · Journal of Exposure Science & Environmental Epidemiology Open access	Jul 2001	4,843
3	Travel demand and the 3Ds: Density, diversity, and design Robert Cervero, Kara Maria Kockelman · Transportation Research Part D Transport and Environment	Sep 1997	4,576
4	Correlates of physical activity: why are some people physically active and others not? Adrian Ernest Bauman, Rodrigo Siqueira Reis, James F. Sallis et al. · The Lancet	Jul 2012	4,233
5	AN ECOLOGICAL APPROACH TO CREATING ACTIVE LIVING COMMUNITIES James F. Sallis, Robert Cervero, William L. Ascher et al. · Annual Review of Public Health Review	30 Sep 2005	3,365

All 100 most cited papers, with filters and sorting

Where is Urban Transport and Accessibility research done?

The largest centres of Urban Transport and Accessibility research in 2022-now are Beijing (China), Shanghai (China), Nanjing (China) and Wuhan (China). Among places with at least 20 works in it, it is an unusually large share of all research in Champs-sur-Marne, Kumasi and Arlington.

Largest cities, 2022-now

1 BeijingChina 826 works
2 ShanghaiChina 325 works
3 NanjingChina 294 works
4 WuhanChina 221 works
5 LondonUnited Kingdom 204 works
6 GuangzhouChina 199 works
7 Hong KongChina 160 works
8 TokyoJapan 159 works
9 MelbourneAustralia 153 works
10 SeoulSouth Korea 145 works

Where it is the local speciality

Champs-sur-MarneFR · 48.5 works13×
KumasiGH · 27.4 works6.9×
ArlingtonUS · 20.1 works6.2×

← less than its size predicts1×more →

Location quotient: how much more of its research is in Urban Transport and Accessibility than the world average.

See Urban Transport and Accessibility on the map

Where is the best place to study Urban Transport and Accessibility?

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

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.

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.

#	University	Score	Top 10%	Specialisation	Works	Growth
1	Chinese University of Hong KongChina	82.4	33.2%	3.8×	39	+44.8%
2	University of Hong KongChina	78.6	25.3%	5.3×	69	+15.4%
3	Peking UniversityChina	73.0	19.7%	3.2×	92	+71.4%
4	Wuhan UniversityChina	69.8	22.0%	3.4×	68	+34.2%
5	Hong Kong Polytechnic UniversityChina	69.4	21.0%	4.8×	58	+2.2%
6	Tongji UniversityChina	67.9	16.1%	5.1×	110	+32.4%
7	Chongqing UniversityChina	67.5	25.4%	2.7×	41	+97.0%
8	Southeast UniversityChina	65.4	14.1%	5.0×	105	+12.5%
9	Beijing Normal UniversityChina	65.3	17.5%	4.5×	51	+85.3%
10	Tsinghua UniversityChina	65.1	23.9%	1.7×	55	+23.6%
11	Zhejiang UniversityChina	64.9	21.8%	1.4×	54	+114.9%
12	City University of Hong KongChina	63.8	20.3%	3.0×	24	+28.6%
13	Delft University of TechnologyNetherlands	62.6	17.9%	7.1×	67	-7.1%
14	University College LondonUnited Kingdom	62.5	15.0%	3.2×	73	+2.5%
15	East China Normal UniversityChina	62.3	22.6%	4.3×	29	+71.1%
16	Renmin University of ChinaChina	61.6	22.8%	5.4×	25	+141.1%
17	Hong Kong University of Science and TechnologyChina	61.4	21.7%	3.3×	19	+100.9%
18	Utrecht UniversityNetherlands	61.1	16.7%	3.7×	37	+9.7%
19	Nanjing Forestry UniversityChina	60.5	19.3%	5.8×	37	+219.2%
20	Sun Yat-sen UniversityChina	60.0	16.9%	1.6×	48	+27.2%
21	China University of GeosciencesChina	59.4	23.8%	3.5×	22	+60.6%
22	Chengdu University of TechnologyChina	59.1	29.1%	2.9×	16	+225.9%
23	University of Chinese Academy of SciencesChina	58.8	23.6%	1.4×	32	+28.6%
24	Guangzhou UniversityChina	58.3	26.4%	3.5×	18	+99.9%
25	National University of SingaporeSingapore	57.8	14.5%	2.3×	39	+47.8%
26	Universitat Autònoma de BarcelonaSpain	56.9	28.1%	2.8×	25	-0.6%
27	Tianjin UniversityChina	56.7	18.5%	1.9×	32	+150.8%
28	Texas A&M UniversityUnited States	56.3	18.2%	2.9×	34	+51.2%
29	Monash UniversityAustralia	55.8	14.0%	3.6×	50	+8.2%
30	National Technical University of AthensGreece	55.8	17.6%	8.5×	31	+45.3%
31	Beijing Jiaotong UniversityChina	55.5	13.2%	9.8×	84	-4.0%
32	Southwest Jiaotong UniversityChina	55.1	13.0%	4.8×	52	+35.5%
33	Chalmers University of TechnologySweden	54.9	21.4%	4.8×	17	+6.9%
34	Xiamen UniversityChina	54.5	17.6%	2.0×	24	+203.0%
35	McGill UniversityCanada	53.9	16.0%	2.8×	40	-7.1%
36	University of GroningenNetherlands	53.5	19.1%	2.4×	23	+24.3%
37	University of CopenhagenDenmark	53.5	31.4%	0.8×	10	+20.8%
38	Chang'an UniversityChina	53.4	10.9%	9.9×	52	+12.3%
39	China University of Mining and TechnologyChina	53.4	18.2%	2.3×	25	+43.4%
40	Nanjing University of Information Science and TechnologyChina	53.3	30.7%	1.6×	9	+24.5%
41	Polytechnique MontréalCanada	52.5	11.5%	13.6×	27	+26.4%
42	University of TorontoCanada	52.0	9.7%	2.5×	72	-11.8%
43	Hunan Normal UniversityChina	51.4	25.8%	3.3×	11	+195.9%
44	Jiangxi Normal UniversityChina	49.8	27.8%	4.8×	10	+243.1%
45	Maulana Azad National Institute of TechnologyIndia	47.7	13.5%	11.4×	22	+891.9%
46	University of WestminsterUnited Kingdom	47.1	26.1%	11.0×	12	-7.6%
47	Université Gustave EiffelFrance	46.9	5.5%	14.9×	31	+77.2%
48	Hong Kong Baptist UniversityChina	45.6	17.1%	3.9×	10	+5.1%
49	City University of MacauChina	45.2	8.7%	7.0×	15	+467.7%
50	University of SeoulSouth Korea	42.8	11.1%	15.0×	17	+77.9%
51	Suranaree University of TechnologyThailand	42.1	12.8%	11.2×	11	+156.3%
52	University of Transport and CommunicationsVietnam	40.7	16.0%	20.7×	10	+11.5%
53	Liaoning Normal UniversityChina	38.8	13.1%	10.0×	12	+58.2%
54	School of Planning and Architecture DelhiIndia	38.2	2.5%	54.0×	30	+292.9%
55	Singapore University of Technology and DesignSingapore	35.6	7.2%	7.4×	10	+7.8%
56	Southeast UniversityBangladesh	32.4	10.7%	6.4×	10	-11.3%
57	École nationale des ponts et chausséesFrance	32.0	4.4%	29.5×	20	-3.9%
58	Nanyang Technological UniversitySingapore	31.6	17.3%	1.0×	11	-41.4%

Universities only. The score blends 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 Urban Transport and Accessibility, country by country

Is Urban Transport and Accessibility research growing?

Output in 2022-2025 was 22% higher than in 2018-2021, peaking in 2022. The fastest-growing topics are Urban Transport and Accessibility.

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 Urban Transport and Accessibility as a percentage of every work published that year, 0.067% in 2024.

Fractional works of Urban Transport and Accessibility 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.

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.

Discussion

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Which countries lead Urban Transport and Accessibility research?

By volume, 2022-now

How concentrated that is

Which institutions lead Urban Transport and Accessibility research?

By volume, 2022-now

Who are the leading researchers in Urban Transport and Accessibility?

What are the most cited papers in Urban Transport and Accessibility?

Where is Urban Transport and Accessibility research done?

Largest cities, 2022-now

Where it is the local speciality

Where is the best place to study Urban Transport and Accessibility?

Is Urban Transport and Accessibility research growing?

Its share of all research

How much of it reaches the world top 10%

Which topics inside it are moving

Related research

Discussion