Organisation
Transport Scotland
Amount Awarded
£215,250 (Phase 1)
£313,300 (Phase 2)
Date of Publication
January 2026
Uploaded to Knowledge Centre
1 July 2026
PRIME (Perceptual Rider Information for Maximising Expertise and Enjoyment) road markings are designed to improve motorcycle safety.
An evaluation of PRIME markings shows positive effects for motorcycle safety in Scotland, where installation at 22 trial sites led to significant improvements in rider behaviour on left-hand bends. No change in motorcyclist behaviour was found at control sites, where PRIME markings were not installed.
Key findings from over 32,000 motorcycles observed on video at these sites include:
- Reduced speeds on critical bends
- Improved road positioning, both approaching and navigating bends
- Better braking behaviour, enhancing rider control
- Zero injury collisions at sites previously identified as high-risk
PRIME phase 2 is aiming to consolidate the understanding of the benefits or drawbacks of installing PRIMEs, based on characteristics of specific locations such as untreated roads and right-hand bends.
Access the phase 2 report via the Road Safety Trust website: