Throughout the Asia Pacific Economic Cooperation (APEC) and across the world, riders and passengers of motorcycles and scooters are among the most vulnerable road users. Such vulnerability is especially pertinent for nations that more often use motorcycles and scooters as a method of transportation. This compendium aims to facilitate implementation of best practice countermeasures to improve motorcycle safety in APEC member economies.For information all kinds of information visit the Economies page. To read about important issues and contributing factors to serious crashes, injuries and deaths of motorcycle and scooter users, visit the Issues page. To learn about countermeasures to improve motorcycle safety and how to evaluate programs, visit the Safety Interventions page. To see examples of treatments and programs implemented by APEC member economies, visit the Case Studies page. Useful links and selected references are located on the Links page. More information about this Compendium, a glossary of terms and acronyms used, and links to download the Report to APEC and Literature Review on which this Compendium is based, can be found on the About page.