ImpaQ Ecosystem•Clarivate, Scopus & CORE Data
Clarivate WoS 2024 / 2025 Data
IMPAQ
WoS SCIE Q2Scopus Q2SCImago #6,065Hybrid

Transportation Letters-The International Journal of Transportation Research

Acronym:trl
•
Abbreviation (ISO):TRANSP LETT
•
Identifier (ISSN):1942-7867(Print)/1942-7875(Online)
•
Publisher:Maney Publishing
Clarivate IF (2026)
3.4↑ +0.1
Journal Impact Factor
IF Trend↓
WoS Quartile
Q2
WoS SCIEJCR Quartile
Clarivate WoS JCR
WoS Categories↓
JCR Release Date: 2026-06-17

Impact Factor Trend (2018–2026)

Clarivate IF trend for Transportation Letters-The International Journal of Transportation Research

WoS Q2
02350.7320181.520193.620212.8420222.820233.320243.320253.42026
Annual Impact Factor Metric
Current (2026):3.4
Scopus SJR & RankScopus Q2
0.873
#6,065

SCImago Journal Rank citation prestige weighting

Scopus Year: 2025
H-Index (2025)
46

46 papers with at least that number of citations each

WoS: SCIE / JCRQ2
Self-Citation Rate12.1%
Safe Level (< 15%)Warning Level (> 20%)
Self-citation below 15% indicates strong scholarly independence.
Volume & Open AccessHybrid
98articles/year
2.61% Gold OA•100% Original Research

Aims & Scope

Transportation Letters: The International Journal of Transportation Research is a quarterly journal that publishes high-quality peer-reviewed and mini-review papers as well as technical notes and book reviews on the state-of-the-art in transportation research. The focus of Transportation Letters is on analytical and empirical findings, methodological papers, and theoretical and conceptual insights across all areas of research. Review resource papers that merge descriptions of the state-of-the-art with innovative and new methodological, theoretical, and conceptual insights spanning all areas of transportation research are invited and of particular interest.

Topics Covered (Recognized by AI)
Computer ScienceEngineeringMathematicsEconomicsBusinessPhysicsGeographyStatisticsBiologyArtificial IntelligencePolitical ScienceLaw

WoS Categories & Quartiles

Detailed JCR / JCI category rankings and quartile breakdown from Clarivate

Clarivate JCR & JCI
JCRSSCI2026

TRANSPORTATION

Q2
Rank33/66
IndexSSCI
JCRSCIE2026

TRANSPORTATION SCIENCE & TECHNOLOGY

Q2
Rank37/80
IndexSCIE
JCISSCI2026

TRANSPORTATION

Q3
Rank38/66
IndexSSCI
JCISCIE2026

TRANSPORTATION SCIENCE & TECHNOLOGY

Q2
Rank32/80
IndexSCIE

Annual Historical Statistics & Publications

Track annual publication volume, total citations, and Impact Factor evolution

12 year
2026Latest
IF3.4
Articles / Year113
Total Citations49
2025
IF3.3
Articles / Year80
Total Citations188
2024
IF3.3
Articles / Year98
Total Citations641
2023
IF2.8
Articles / Year89
Total Citations952
2022
IF2.844
Articles / Year98
Total Citations1,602

SCImago & Scopus Journal Intelligence

Global SCImago ranking, SJR prestige index, Scopus coverage, and societal policy impact

Rank #6,065Scopus Q2SCImago Profile
Scopus Coverage:2009-2026
Scopus Broad Areas:Social Sciences
Scopus Citation Rank (SJR)Q2
0.873

Weighted prestige citation metric per document indexed in the Scopus database.

Quartile: Scopus Q2
Citations / Doc (2 years)
4.57

Average citations received per document published in the 2-year window.

2-Year Citation Window
Estimated Publication Fee (APC)
$3,232 USD

Estimated Article Processing Charge for Open Access publication.

Estimated cost / article

Scopus 3-Year Publication & Citation Window

3-Year Citations1,337
3-Year Documents300
Citable Documents300

Aggregated from Scopus database across the 3-year SJR evaluation window.

Societal Impact & Inclusivity (SCImago)

Policy Citations (Overton)0

Citations in government and international policy documents

Female Author Rate32.0%

Percentage of female authors published in the journal

Real-world societal policy reach and author gender diversity tracked by SCImago.

Scopus Subject Categories

TransportationQ2
Academic Metric Intelligence

Journal Metrics & Citation Visualizations

Total Cites vs Self-Cites

Evaluation of scholarly independence and citation reach

Total citations steady growth
Self-citation: 12.1%

Citations per Document

Citation metric windows across 2, 3, and 4 years

Cites / Doc (4 years)Cites / Doc (3 years)Cites / Doc (2 years)

Chinese Academy of Sciences (CAS) Classification

Major / minor zone classification and CAS Early Warning List history

Major Category (Broad Field):
3区 (Zone 3)Engineering & Technology
Minor Category (Specific Field):
3区TRANSPORTATION
CAS Early Warning List History:
Updated annually: 2020 – 2024
2020
Not warned
2021
Not warned
2022
Not warned
2023
Not warned
2024
Not warned

Academic Intelligence Overview & Context

ImpaQ Analysis

Transportation Letters-The International Journal of Transportation Research (acronym: trl, abbr: TRANSP LETT, ISSN: 1942-7867) is a peer-reviewed international scholarly journal in the field of TRANSPORTATION SCIENCE & TECHNOLOGY, published by Maney Publishing in United States. The periodical holds a Journal Impact Factor (JIF) of 3.40, ranking in quartile Q2 of Web of Science (SCIE), a Scopus SJR indicator of 0.873 (Q2), an H-index of 46.

The journal enforces rigorous peer evaluation with an annual output of approximately 98 scientific articles. In terms of accessibility and author fees, it operates under the Hybrid model with an estimated APC of $3,232 USD. It serves as a benchmark publication platform for academics, researchers, and doctoral candidates seeking global research visibility.

Publishing & Editorial Information

Detailed publisher, peer-review turnaround, and publication cycle specifications

Open Access Model
Hybrid
Publisher
Maney Publishing
Publication Language
English
Frequency
Periodic
Indexing & Databases
SCIESSCIScopusPubMed
Editorial Address
2-4 PARK SQUARE, MILTON PARK, ABINGDON, England, OXON, OX14 4RN

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Record UUID: 1d5786c6-ae38-409c-a4ca-0fe0b9abe724
Database Updated: 2026-09-28