1. Robinson BW, Rodegerdts L, Scarborough W, Kittelson W, Troutbeck R, Brilon W, Bondizo L, Courage K, Kyte M, Mason J, Flanney A, Myers E, Bunker J, Jacquemart G (2000) Roundabouts: an informational guide. FHWA. Publication No. FHWA-RD-00-067
2. Turner D (2011) Roundabouts: a literature review, Weblog. Rutgers University. 1–17. from: Daniel Turner | Urban Planning and Design | Online Portfolio (danielrturner.com). https://www.danielrturner.com/home/wp-content/uploads/2012/12/Roundabouts.pdf. Accessed on 9 Sept 2021
3. Giuffrè O, Granà A, Marino S (2012) Turbo-roundabouts vs roundabouts performance level. Procedia Soc Behav Sci 53:590–600
4. Ahmed H, Easa SM (2021) Multi-objective evaluation model of single-lane roundabouts. Transp Res Rec J Transp Res Board 2675(10):395–410
5. Vasconcelos L, Silva AB, Seco ÁM, Fernandes P, Coelho MC (2014) Turbo roundabouts. Transp Res Rec J Transp Res Board 2402(1):28–37