This study explores the impact of bicycle-sharing infrastructure on urban transportation. We
estimate a causal effect of the Capital Bikeshare on traffic congestion in the metropolitan …

Commercially available connected vehicle (CV) probe data has been demonstrated to
provide scalable and near-real-time methodologies to evaluate the performance of road …

Obtaining accurate speed and travel time information is a challenge for researchers,
geographers, and transportation agencies. In the past, traffic data were usually acquired and …

Connected vehicle data is an important assessment tool for agencies to evaluate the
performance of freeways and arterials, provided there is sufficient penetration to provide …

Over 400 billion passenger vehicle trajectory waypoints are collected each month in the
United States. This data creates many new opportunities for agencies to assess operational …

Recently, traffic agencies have implemented Bluetooth detection systems (BDS) on arterials
to collect traffic data and purchased data from private sector companies such as HERE …

Second-by-second GPS trajectories, called trip traces, of vehicles moving along an arterial
provide the highest fidelity measure of corridor operations. However, large samples of such …

Estimating temporal patterns in travel times along road segments in urban settings is of
central importance to traffic engineers and city planners. In this work, we propose a …

Introduction Nowadays, a leading cause of mortality and morbidity of elderly is vehicle crash.
Given the vulnerability of the senior victims in crashes, the decisions of emergency vehicle …

Historically, agencies have been reliant on physical infrastructure, crash data, manual data
collection, and modeling to evaluate their road networks. Over the past several years …