If you specifically want the aesthetic of British road signs (the origin of GDS Transport), you can find related versions: Roads.org.uk : Offers free versions of the original road sign lettering private, non-commercial use only New Transport : The professional, expanded version available for commercial purchase from A2-TYPE Libre Franklin to help you choose the best replacement for your project? Can I use the GOV.UK fonts? - Design in government
The specific "New Transport" font used by GDS is protected by Crown Copyright. gds transport font free download better
is a free, open-source variable font family designed specifically for computer screens. If you specifically want the aesthetic of British