Mga motorsiklong mas maliit sa 400cc ang engine displacement, pinag-aaralan ng TRB kung puwede sa mga expressway
https://www.gmanetwork.com/news/video/24oras/514808/mga-motorsiklong-mas-maliit-sa-400cc-ang-engine-displacement-pinag-aaralan-ng-trb-kung-puwede-sa-mga-expressway/video/
https://www.gmanetwork.com/news/video/24oras/514808/mga-motorsiklong-mas-maliit-sa-400cc-ang-engine-displacement-pinag-aaralan-ng-trb-kung-puwede-sa-mga-expressway/video/
