http://www.legislation.gov.uk/wsi/2018/921/madeThe A487 Trunk Road (Bow Street, Ceredigion) (Part-time 20 mph Speed Limit) Order 2018Gorchymyn Cefnffordd yr A487 (Bow Street, Ceredigion) (Terfyn Cyflymder 20 mya Rhan-amser) 2018King's Printer of Acts of Parliament2018-08-02 The A487 Trunk Road (Bow Street, Ceredigion) (Part-time 20 mph Speed Limit) Order 2018Gorchymyn Cefnffordd yr A487 (Bow Street, Ceredigion) (Terfyn Cyflymder 20 mya Rhan-amser) 2018OrderThe A40, A44, A458, A470, A479, A483, A487 and A489 Trunk Roads (Powys and Ceredigion) (20 mph, 30 mph and 40 mph Speed Limits and De-restriction) Order 2023Gorchymyn Cefnffyrdd yr A40, yr A44, yr A458, yr A470, yr A479, yr A483, yr A487 a’r A489 (Powys a Cheredigion) (Terfynau Cyflymder 20 mya, 30 mya a 40 mya a Dileu Cyfyngiadau) 2023reg. 8art. 1