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2021•ROSA POpen access

Narrowing Freeway Lanes and Shoulders to Create Additional Travel Lanes

David Hale, Alexandra Kondyli, Juan Argote, Xiaoxiao Zhang, Bastian J. Schroeder, Levi Button, Jennifer Atkinson, D. Stock, Adil Cheema, Soheil Sajjadi, Murat Aycin, Mark Brackstone, Geline Canayon, Jordi Casas, Annique Lenorzer, Anxi Jia, Joshi Chetan, Rachel James, Kittelson Associates

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Abstract

The Federal Highway Administration is investigating narrowing freeway lanes and shoulders as a cost-effective mobility strategy. The objectives of this project were to develop improved macroscopic analysis tools, calibrate car-following models that capture narrowed lane driving behavior, conduct real-world case studies, develop narrowed lanes deployment recommendations, and investigate dynamic lane-narrowing technologies. The case studies showed that the lane-narrowing treatment improves mobility significantly without compromising safety.\n

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What this paper is about

The Federal Highway Administration is investigating narrowing freeway lanes and shoulders as a cost-effective mobility strategy. The objectives of this project were to develop improved macroscopic analysis tools, calibrate car-following models that capture narrowed lane driving behavior, conduct real-world case studies, develop narrowed lanes deployment recommendations, and investigate dynamic lane-narrowing technologies. The case studies showed that the lane-narrowing treatment improves mobility significantly without compromising safety.\n

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Available abstract

The Federal Highway Administration is investigating narrowing freeway lanes and shoulders as a cost-effective mobility strategy. The objectives of this project were to develop improved macroscopic analysis tools, calibrate car-following models that capture narrowed lane driving behavior, conduct real-world case studies, develop narrowed lanes deployment recommendations, and investigate dynamic lane-narrowing technologies. The case studies showed that the lane-narrowing treatment improves mobility significantly without compromising safety.\n

Key concepts: Transport engineering, Shoulders, Computer science, Engineering, Medicine, Surgery

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