1. Introduction
Rapid urbanisation increases the demand for efficient and intelligent public transport systems for sustainable transport management. A critical component of realising this demand is increasing public transport ridership [
1], which is consistently constrained by both the actual experience and perceived level of personal safety. According to reference [
2], perceptions of personal safety are believed to have a significant influence on public transport ridership and travel mode choice. Negative perceptions of safety discourage both current commuters and potential users from using public transport. Commuters’ perception of safety, whether walking to and from the stop/station or waiting to board and onboard, plays an important role in influencing their decision to use public transport in the future [
3]. Feeling insecure or unsafe in public transport leads to barriers in everyday mobility for commuters. This in turn results in people taking precautionary measures such as only travelling at certain times of the day or on certain routes, or even by avoiding public transport completely [
4,
5]. Therefore, it is imperative to better understand safety performance, both the actual safety conditions and commuters’ perceptions of safety within public transport systems, to improve service attractiveness and increase ridership.
Studies conducted in the United Kingdom suggest that about 10% of the population would reconsider using public transport if safety concerns were adequately addressed [
2,
6,
7,
8,
9]. An analysis of safety on public transport in other developed countries such as the United States, Italy, Sweden and France indicated that safety concerns among commuters have an important impact on travel mode choice [
10,
11,
12,
13]. These indicate that even in developed countries, where public transport infrastructure and service standards are relatively advanced, safety performance remains a critical factor influencing travel behaviour. In developing countries, particularly sub-Saharan Africa, commuters spend up to a third of their income on commuting trips using public transport. The high reliance on public transport makes safety and security issues even more critical because they do not directly affect ridership but also mobility choices, accessibility to opportunities, and overall quality of urban life. In South Africa, despite mega investments in improving public transport since 2010, including launching the Gautrain rapid rail in Gauteng and the BRT systems in various cities, safety concerns in public transport systems have widely remained a major challenge affecting commuter travel behaviour and public transport ridership.
Against this background, the City of Polokwane has also invested in improving its public transport system through the implementation of the Leeto La Polokwane BRT system. The system was introduced as part of broader efforts to modernise urban public transport, improve accessibility, and provide safer and more reliable mobility options for residents. Phase 1A of the system represents the first major milestone towards achieving an integrated and efficient public transport network in the city. However, despite these infrastructural and operational improvements, there is still limited empirical evidence on how safety performance within the system influences commuter perceptions and sustainable travel mode choice. Most existing studies on public transport safety performance in South Africa have largely focused on metropolitan cities [
14,
15,
16,
17,
18,
19], secondary cities like Polokwane remain under-researched. Therefore, it is imperative to examine both the actual safety conditions and commuters’ perceptions of safety within Phase 1A of the Leeto La Polokwane BRT system to understand its effectiveness in promoting public transport ridership and supporting sustainable travel mode choice. Therefore, this study aims to investigate the safety performance of Leeto La Polokwane Phase 1A. The specific objectives of the study are as follows:
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Identify latent factors influencing commuters’ perceptions of safety in the Leeto La Polokwane Phase 1A.
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Explore commuters’ perceptions of safety across different demographic groups.
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Determine the relationship between safety perceptions and sustainable travel mode choice.
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Analyse monthly ridership trends and identify operational factors associated with ridership growth.
2. Literature Review
2.1. Safety Performance in Public Transport Systems
Safety is widely recognised as one of the most important determinants of public transport service quality and sustainable urban mobility. It is generally defined as both the actual level of protection from crime, violence and traffic accidents and the perceived sense of security that users experience based on these conditions and other psychological factors [
14,
20,
21]. Consequently, safety encompasses both objective measures of protection and subjective perceptions that influence commuters’ confidence in using public transport. According to ref. [
22], definitions of safety and security in the literature can be broadly classified into two perspectives. The first conceptualises safety in relation to the prevention of harm and physical injury, while the second associates these concepts with crime, victimisation, fear of crime, and the implementation of preventive measures. Similarly, reference [
23] argues that safety involves protection from crime, disorder and the fear of such events, which highlight both the physical and psychological dimensions of personal well-being. Altogether, these perspectives suggest that safety extends beyond the mere absence of crime or accidents to include commuters’ perceptions of risk and their confidence in the transport environment.
Previous studies have shown that commuters evaluate safety throughout the entire travel journey, including walking to and from stops or stations, waiting for services, boarding and alighting, and travelling onboard public transport vehicles. As a result, safety performance of public transport systems is influenced not only by operational factors, such as driver behaviour and accident risk, but also by environmental conditions, including pedestrian infrastructure, lighting surveillance systems, security personnel and the quality of waiting facilities. These factors collectively determine the extent to which public transport is perceived as a safe, attractive and reliable travel option. In the context of this study, safety performance refers to both the actual and perceived levels of safety experienced by commuters throughout the entire travel journey. Safety performance encompasses pedestrian access routes, bus stops, waiting areas, onboard travel, and protection from crime and traffic-related risks. This conceptualisation recognises that commuters’ travel decisions are shaped not only by objective safety conditions but also by their perceptions of safety across the entire travel environment. Therefore, investigating safety performance provides an important basis for understanding how safety influences sustainable travel mode choice and ridership in the Leeto La Polokwane Phase 1A.
2.2. Commuters’ Perceptions of Safety in Public Transport
Commuters’ perceptions of safety refer to users’ subjective evaluations of the extent to which they feel protected from crime, violence, accidents, and other risks while accessing, waiting for, and travelling on public transport. These perceptions are shaped by both personal experiences and the physical and operational characteristics of the transport environment and are recognised as important determinants of public transport use and travel behaviour. According to reference [
20], how people perceive transit environments depends on environmental factors, individual qualities, and situational contexts, such as the transport mode, type of transport node (bus stop or station), and the quality of the places they traverse from their home to a transport node. Previous studies indicate that commuters’ perceptions of safety are multidimensional and extend beyond the onboard travel experience. For instance, ref. [
2] revealed that concerns about personal security while walking to public transport stops, waiting for services, and travelling onboard significantly influence commuters’ willingness to use public transport. Ref. [
22] argued that inadequate lighting, poor surveillance, isolated waiting areas, and limited security measures increase fear of crime and reduce commuters’ confidence in public transport systems. Ref. [
24] further revealed that the concerns associated with low-skilled bus drivers and poor compliance with road traffic regulations are leading to declining ridership of the Lagos BRT system.
Therefore, factors such as pedestrian infrastructure, lighting, surveillance systems, visible security personnel, waiting conditions, service reliability, and driver behaviour collectively influence commuters’ perceptions of public transport safety performance. Consequently, deficiencies in these attributes may increase perceived risk, discourage public transport use, and reduce commuters’ willingness to adopt sustainable travel modes. Although objective safety measures, such as reduced crime rates and fewer traffic accidents, are important indicators of system performance, commuters’ travel decisions are often influenced more by their perceptions of safety than by actual safety conditions. Negative perceptions may therefore discourage public transport use even where objective safety risks are relatively low. Understanding commuters’ perceptions of safety is therefore essential to identify the service attributes that require improvement and develop interventions that encourage public transport use and support sustainable urban mobility.
2.3. Commuters’ Perceptions of Safety and Sustainable Travel Mode Choice
Sustainable travel mode refers to the decision to use transport modes that minimise environmental impacts while promoting social equity and economic efficiency [
25,
26]. According to ref. [
27], reducing the need to travel and travel distances and achieving a modal shift to public transport, cycling and walking are among the main objectives of a sustainable urban mobility paradigm. Public transport is widely recognised as a cornerstone of sustainable urban mobility because it reduces automobile dependency, traffic congestion, energy consumption and greenhouse gas emissions. Among different modes of public transport, BRT systems have emerged as an effective solution to address the challenges of automobile travel dependency. This is supported by ref. [
28], who indicated that the BRT system is one of the major projects to achieve sustainable urban mobility objectives by seeking to realise a modal shift from car use to public transport use. Similarly, ref. [
24] found that motorists’ decisions to use the Lagos BRT system were influenced by their desire to reduce transport externalities, including traffic congestion, fuel consumption, vehicle emissions, and associated health impacts. These findings demonstrate that BRT systems can contribute significantly to sustainable travel behaviour by encouraging commuters to shift from private vehicles to public transport.
However, the efficiency of the BRT system in promoting sustainable travel behaviour depends not only on service availability and accessibility but also on commuters’ perceptions of safety. Previous studies consistently identify perceived safety as one of the most influential determinants of travel mode choice. For instance, ref. [
29] found that fear of crime, inadequate lighting, limited surveillance, and the absence of security personnel at stations and bus stops significantly reduce commuters’ perceptions of safety and discourage public transport use, particularly among women and other vulnerable users. Ref. [
30] identified safety and security as key determinants of public transport service quality and demonstrated that improvements in perceived safety contribute to increased intentions to continue using public transport. Therefore, the relationship between perceived safety and travel mode choice is particularly important in BRT systems. Understanding commuters’ perceptions of safety provides an important basis for ex-plaining travel mode choice and developing interventions that encourage sustainable urban mobility.
2.4. Safety Performance of South African BRT Systems
South Africa has invested significantly in BRT systems as part of its strategy to improve urban mobility, reduce transport inequalities and promote sustainable public transport. Since the introduction of Rea Vaya in Johannesburg, several BRT systems, including MyCiTi (Cape Town), A Re Yeng (Tshwane), Go George (George) and Leeto La Polokwane, have been implemented to improve accessibility, service reliability and commuter mobility [
31,
32]. Existing studies on BRT systems in South Africa have primarily focused on the implementation, operational performance, service quality, accessibility, passenger satisfaction, and institutional challenges. While some studies acknowledge the importance of safety, it is generally explored as a component of service quality or commuter satisfaction or discussed in the context of operational challenges rather than being investigated as a multidimensional construct comprising commuter safety and crime prevention. For instance, ref. [
31] reported that shortly after the introduction of the Rea Vaya, violent attacks on buses highlighted the security challenges associated with implementing formal public transport systems in environments characterised by competition with informal transport operators. These findings demonstrate that safety remains an important concern for the successful operation and long-term sustainability of BRT systems.
Beyond the BRT literature, several South African studies have explored safety in other public transport modes [
14,
19,
33,
34,
35]. Ref. [
14] investigated the interrelations of perceived security and safety with using public transportation for commute trips and non-commute trips in Johannesburg. The findings revealed that insecurity when using public transport, lack of police and guards in the public transit system, poor quality vehicles and infrastructure were the factors that significantly influence public transit ridership for commute trips. Similarly, ref. [
19] identified that personal security on public transport is a major concern in South African cities. Ref. [
34] investigated experiences of harassment between females’ and males’ commuters in Cape Town. The findings revealed that females experience harassment more often, and this influences their choices regarding care trips. These studies demonstrate that commuters’ perceptions of safety are shaped by both operational and environmental conditions and play an important role in travel behaviour.
Despite these contributions, limited empirical evidence exists on how different dimensions of safety influence sustainable travel mode choice and ridership within South African BRT systems, particularly in secondary cities. Most existing studies examine safety as part of service quality or commuter satisfaction, rather than distinguishing between commuter safety and crime prevention. This study addresses this gap by investigating safety performance as a multidimensional construct and investigating its influence on sustainable travel mode choice and ridership in the Leeto La Polokwane Phase 1A.
5. Discussion and Policy Implications
The identification of two distinct latent factors, commuter safety (45.80% variance explained) and crime prevention (17.33%) in the study, provides compelling evidence that safety perceptions are multidimensional. Commuters during the travel journey differentiate between personal safety and institutional measures to prevent crime. The highest factor loadings for commuter safety were associated with walking to bus stops (0.786) and walking to buy tickets (0.785), which indicated that the access phase of the journey generates the strongest safety concerns. These findings align with [
2], who found that perceptions of personal security while walking to and from public transport stops significantly influence willingness to use public transport. The factor loadings for crime prevention were associated with safety during staff transactions and adequate prevention measures for crime in vehicles. This study suggests commuters are particularly attuned to institutional security protocols, which align with [
10], who demonstrated that commuters’ perceptions of safety in railway stations were significantly influenced by the visibility and professionalism of security personnel, as well as the transparency of security procedures. Field observations revealed critical infrastructure deficiencies, such as the absence of sheltered waiting areas, inadequate lighting and CCTV, lack of security personnel, and bus stop encroachment into roadways, that directly undermine both safety dimensions. Demographic analysis showed lower-income commuters (R0–R1,500) reported the most negative perceptions (commuter safety 3.84; crime prevention 3.41), which make them particularly vulnerable as captive users, while both genders reported negative crime prevention perceptions (3.89–3.91). These results suggest that institutional security improvements would benefit all users.
The multinomial logistic regression confirmed that safety perceptions significantly influence sustainable travel mode choice, explaining 18.9–28.5% of variation, with both commuter safety (
= 6.700,
p = 0.035) and crime prevention (
= 12.424,
p = 0.002) significantly improving model fit. In the minibus taxi versus walking comparison, crime prevention was significant (β = −0.717,
p = 0.002; OR = 0.488). These findings indicate that higher crime prevention perceptions reduce the likelihood of choosing minibus taxis, which suggest effective security measures encourage walking access to the system. This aligns with findings by reference [
2], who demonstrated that safety perceptions influence how commuters access the system. In the private vehicle versus walking comparison, commuter safety was significant (β = −0.860,
p = 0.014; OR = 0.423), which means higher perceptions of walking and waiting safety reduce the likelihood of choosing private vehicles, aligning with [
16] on safety as a barrier to public transport use. Importantly, different safety dimensions influenced different modal comparisons: crime prevention was more influential in shifting commuters from minibus taxis, while commuter safety was more influential in shifting from private vehicles. The period of bus use also emerged as significant, with commuters using the bus for less than 3 months (OR = 6.711) and 4–8 months (OR = 6.732) being significantly more likely to choose minibus taxis over walking, suggesting a learning effect where familiarity with the system gradually shifts commuters toward more sustainable walking access.
Ridership grew substantially from 7912 commuters (2021) to 530,992 (2022) and 921,652 (2023), with multiple linear regression confirming operational continuity (β = 0.307,
p = 0.044) and system maturation (β = 0.670,
p < 0.001) as the strongest positive predictors, together explaining 48.9% of variation. This demonstrates the importance of service reliability, which is consistent with the work by [
31] on Rea Vaya in Johannesburg, and suggests commuters gradually incorporate services into daily routines as familiarity grows. However, the socioeconomic profile (73.0% non-car owners and 32.0% earning R0–R1500) indicates that ridership is largely driven by captive users with limited alternatives. Although the consistent growth on route F1 (which serves upmarket suburbs) suggests that the system is increasingly attracting choice users. Route-specific vulnerabilities emerged: route F1 demonstrated the most resilience, while route F4B suffered low ridership due to sustained taxi resistance, and routes TE4 and TE5B remained more vulnerable to disruptions due to direct competition with informal operators. While taxi protests and school holidays showed negative associations with ridership in descriptive analysis, these were not statistically significant in the regression. This possibly reflects data aggregation effects or that operational continuity and maturation are the dominant medium-term drivers.
The policy implications emphasise that improving public transport safety requires a holistic approach integrating safe pedestrian infrastructure (lighting, sidewalks, crossings), secure waiting environments (sheltered areas, CCTV, real-time information), effective crime prevention (visible security personnel, staff training, incident reporting), and operational safety (driver training, vehicle maintenance). Institutional coordination is essential, including formal-informal integration through fare integration, route coordination, and regular dialogue between the City of Polokwane, taxi associations, and bus operators, alongside multi-stakeholder safety committees and systematic monitoring and evaluation. Investment priorities should be phased: short-term (0–2 years) focus on lighting, CCTV, security personnel, and driver training; medium-term (2–5 years) on sheltered waiting areas, integrated ticketing, and real-time information; and long-term (5–10 years) on pedestrian infrastructure upgrades, institutional reforms, and network expansion. For other South African secondary cities, these findings demonstrate that safety must be central in BRT planning, infrastructure deficiencies require systematic attention, institutional challenges with informal operators necessitate governance reforms, and phased implementation with operational continuity can drive ridership growth. Future research should employ longitudinal designs to track perception changes over time, comparative studies across secondary cities, qualitative research on lived safety experiences, and economic analysis of safety intervention cost–benefit to strengthen the evidence base for sustainable urban mobility policy.