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cs.DL2026
Do E-Scooter Speed Governance Policies Reduce Harsh Acceleration and Deceleration? Evidence from 19.5 Million Trips Around a Regulatory Ban
Seongjin Choi, Sunbin Yoo, Sugie Lee
Do e-scooter speed governance policies yield behavioral safety gains beyond the mechanical cap they impose? A firmware ceiling mechanically prevents speeding, but whether the same…
cs.DL2026
Beyond coauthorship: semantic structure and phantom collaborators in transportation research, 1967--2025
Seongjin Choi
We present a semantic-structural atlas of transportation research built from 120{,}323 papers across 34 peer-reviewed journals published between 1967 and 2025, roughly an order of…