Fatores influentes no crescimento de viagens de bicicleta feitas por mulheres na cidade do Recife

The small number of bicycle trips carried out by women in Brazilian cities is normally linked to traffic and public insecurity, besides the lack of infrastructure. However, it becomes evident that the number of women who use bicycles is gradually increasing. This article aims to present factors that influence the use of bicycles by women, considering land use, traffic safety and cycling infrastructure in the city of Recife. For this, it was applied comparing bicycle trips counts in different years. Statistical analysis was performed to correlate these data with factors that influence bicycle use. The study confirmed that the variety of land use and the presence or lack of cycling infrastructure statistically interfere on bicycle trips carried out by women.O reduzido número de viagens por bicicleta realizadas por mulheres nas cidades do Brasil atrela-se normalmente à insegurança do trânsito e pública e à carência de infraestruturas cicloviárias. No entanto, fica cada vez mais evidente que o número de mulheres que usam a bicicleta vem aumentando aos poucos. Este artigo tem o objetivo de apresentar fatores que influenciam o uso da bicicleta por mulheres, considerando o uso do solo, a segurança do trânsito e a infraestrutura cicloviária da cidade do Recife. Usa da comparação de contagens de viagens de bicicleta em diferentes anos e tenta por testes estatísticos inferir sobre associações com fatores influentes ao uso da bicicleta. Traz em seus resultados que a variedade de uso do solo e a presença ou ausência de infraestrutura cicloviária interferem estatisticamente sobre as viagens de bicicleta feitas por mulheres

Contraflows and cycling safety: Evidence from 22 years of data involving 508 one-way streets

Contraflow cycling on one-way streets is a low cost intervention that research shows can improve the cycling experience and increase participation. Evidence from several studies suggest that cyclists on contraflows have a lower crash risk. However, implementing contraflow cycling is often controversial, including in the United Kingdom (UK). In this paper we examine whether contraflow cycling on one-way streets alters crash or casualty rates for pedal cyclists. Focusing on inner London boroughs between 1998 and 2019, we identified 508 road segments where contraflow cycling was introduced on one-way streets. We identified road traffic crashes occurring within 10 m of these segments and labelled them as pre-contraflow, contraflow or contraflow removed crashes. We calculated rates using the number of crashes or casualties divided by the time exposed and generated 95 % confidence intervals using bootstrap resampling. We adjusted the rates for changes in cordon cycling volume and injury severity reporting. There were 1498 crashes involving pedal cyclists: 788 pre-contraflow, 703 contraflow and 7 following contraflow removal. There was no change in adjusted overall pedal cyclist crash or casualty rates when contraflow cycling was introduced. Proximity to a junction doubled the crash rate. The crash rate when pedal cyclists were travelling contraflow was the same as those travelling with flow. We have found no evidence that introducing contraflow cycling increases the crash or casualty rate for pedal cyclists. It is possible that such rates may indeed fall when contraflow cycling is introduced if more accurate spatio-temporal cycling volume data was available. We recommend all one-way streets are evaluated for contraflow cycling but encourage judicious junction design and recommend UK legislative change for mandatory-two-way cycling on one-way streets unless exceptional circumstances exist