Table 4:
Details of articles related to conspicuity aid on both motorcycle and motorcyclist’s scope
| Authors | Conspicuity Aid Measures | Method/Study Design | Sample Size | Main Findings |
|---|---|---|---|---|
| Wells et al (48) | DRH, Attire & Helmet | Accident data & interview | 1233 | Low conspicuity may increase the risk of motorcycle crash-related injury |
| de Craen et al (43) | DRH, Attire & Helmet | Accident data | n/a | Changing the appearance of a motorcycle or its rider may improve motorcycle detection in traffic and reduces risks of crashes |
| Shaheed et al (49) | DRH, Attire & Helmet | Accident data | n/a | Failure to yield ROW, light conditions and other conspicuity variables play significant roles in motorcycle crash-injury outcome |
| Rogé et al (50) | Motorcycle Appearance, Attire & Helmet | Driving simulator | 42 | High level of color contrast-enhanced the visibility of motorcycles |
| Shaheed et al (51) | DRH & Attire | Driving simulator | 36 | Motorcycles with modulating headlights have longer detection distances than high beams or DRLs |
| Helman et al (26) | DRH, Attire & Helmet | Literature review | n/a | High visibility and reflective clothing, and headlights or DRL on motorcycles, have been effective in increasing motorcyclist conspicuity |
| Pinto et al (28) | DRH, Attire & Helmet | Image clips | 60 | Motorcycle detection performance improved with a yellow headlight and helmet configuration |
| Mohd Syazwan et al (52) | DRH, Attire & Helmet | Field observation | 950 | Wearing bright attire and adding a helmet reflector could improve the conspicuity of a motorcyclist while riding |
| Rogé et al(53) | DRH, DRT, Motorcycle Appearance, Attire & Helmet | Driving simulator | 34 | The film (safety messages) enhances VRU visibility and leads to safer driving behavior |
| Law et al (7) | Motorcycle Appearance, Attire & Helmet | Video clips | 64 | Motorcyclists wearing a white helmet and riding a motorcycle with DRH, as well as motorcyclists wearing a white helmet and white outfit, would improve truck drivers’ judgment |
| Law et al(13) | DRH, Attire & Helmet | Image & Video clips | 100 | Motorcyclists wearing a white helmet and white outfits is more identifiable and detectable at both shorter and longer distances |