Develo** modified congestion index and congestion-based level of service

N Gore, S Arkatkar, G Joshi, C Antoniou - Transport policy, 2023 - Elsevier
Traffic flow and travel time-based measures are used to quantify and characterize
congestion levels on urban roadway networks. However, under low-density conditions …

Congestion index and reliability-based freeway level of service

N Gore, SS Pulugurtha, S Arkatkar… - Journal of Transportation …, 2021 - ascelibrary.org
Examining the relationship between congestion and travel time reliability (TTR) can help in
gaining a broader perspective on the development of congestion mitigation strategies …

A hazard-based model to derive travel time under congested conditions

N Gore, S Arkatkar, G Joshi, SS Pulugurtha - Transport policy, 2023 - Elsevier
Increasing congestion levels and their elusive impact warrants the development of
congestion mitigation strategies. Quantifying congestion and analyzing the spatiotemporal …

[HTML][HTML] Evaluating spatial and temporal effects of planned special events on travel time performance measures

SS Pulugurtha, VR Duddu, M Venigalla - Transportation Research …, 2020 - Elsevier
The effect of a planned special event on travel time performance measures varies spatially
and temporally based on the type of the planned special event. Evaluating and assessing …

Evaluating the impact of COVID-19 on traffic congestion and safety skills using structural equation modeling (SEM) and Auto-Regressive Integrated Moving Average …

S AlKheder, M Al-Mukhaizeem, H Al-Saleh… - … Journal of Injury …, 2023 - Taylor & Francis
The current work presented a comparative analysis of traffic demand and safety skills before
and after control measures during the COVID-19 epidemic, acquired time-series change …

[HTML][HTML] Link-level travel time measures-based level of service thresholds by the posted speed limit

SR Kodupuganti, SS Pulugurtha - Transportation research interdisciplinary …, 2019 - Elsevier
Macroscopic parameters, such as density, volume-to-capacity ratio, and speed, are
traditionally used to assess the level of service (LOS) of freeway/expressway or arterial road …

[HTML][HTML] Truck travel time performance measures and their association with on-and off-network characteristics

S Duvvuri, SS Pulugurtha - Transportation Research Interdisciplinary …, 2021 - Elsevier
Trucks transport a significant amount of freight and are susceptible to traffic congestion
related delays. Practitioners are interested in identifying suitable truck travel time …

Modeling and Evaluating Alternatives to Enhance Access to an Airport and Meet Future Expansion Needs

SS Pulugurtha, A Ogungbire, C Akbari - 2023 - rosap.ntl.bts.gov
The continued growth of air travel calls for the incessant construction effort at many airports
and their surroundings. Thus, there is a need to determine how airports can better manage …

Estimating Truck Travel Time to Passenger Car or Traffic Stream Travel Time Ratio in North Carolina, USA

RN Jain, SS Pulugurtha - Urban, Planning and Transport Research, 2022 - Taylor & Francis
The differences in travel times of passenger cars, traffic stream, and trucks depend on the
area type, temporal factors, reference speed, and traffic condition. These explanatory …

Researching relationships between truck travel time performance measures and on-network and off-network characteristics

S Duvvuri, SS Pulugurtha - 2021 - rosap.ntl.bts.gov
Trucks serve significant amount of freight tonnage and are more susceptible to complex
interactions with other vehicles in a traffic stream. While traffic congestion continues to be a …