Unlike the Southern Africans, ex-French West Africa gives us the jackpot of a map where you can't make out the numbers and <drum roll> a list of their regional organisation's road system. Though like the others, it's mostly meaningless beyond a way into a country.
http://open_jicareport.jica.go.jp/pdf/12084638_02.pdfTable 4‐1 List of UEMOA Community Roads
Code Length (km) Route
CU1 1,897 Dakar – Bissau – Abidjan – Lomé – Cotonou – Porto Novo – Igolo – Nigeria Border
CU2 a 4,158 Dakar (Kaolack) – Tambacounda – Kidira – Kayes – Nicoro – Bamako – Sikasso – Bobo Dioulasso – Ouagadougou – Niamey –Zinder – N’guiguimi – Tchad Border
CU2 b 788 Tambacounda – Kedougou – Saraya –Kenieba – Kita – Bamako
CU3 a 975 Algeria Border – Assamaka – Agadez – Zinder – Magaria – Nigeria Border
CU3b 605 Algeria Border – Tin Zaouten – Kidal – Gao
CU4 65 Mauritania Border – Nioro of Sahel
CU5 1,754 Guinea Border (Kouremale) – Bamako – Ségou – Mopti – Gao – Tillabéry – Niamey
CU6 991 Boubouni – Odienné – Man – San Pédro
CU7a 760 Abdjan – Bouaké – Ferké – Ouangolodougou – Zegoua – Sikasso (CU2a)
CU7b 205 Ouangolodougou – Bobo Dioulasso
CU8 140 Ghana Border – Pô – Ouagadougou
CU9 800 Lomé – Atakpamé – Kara – Sinkansé – Tenkodougou – Koupéla
CU10 709 Cotonou – Dassa – Save – ParakouN’Dali – Kandi – Malanville – Gaya – Dosso
CU11 296 Tamabcounda Guinéé Border – Kandika – Bafata – Bambadinka
CU12 355 Bobo Dioulasso – Dédougou – Tougan – Ouahigouya
CU13 473 Ouagadougou – Ouahigouya – Koro – Mopti (CU5)
CU14 550 Ouagadougou – Dori – Téra – Farié – Namaro – Niamey
CU15 342 Kantchiari (CU2a) – Diapaga – Ganikoara – Kandi – Segbana – Nigeria
CU16 829 Niamey – Filingué – Tahoua – Agadez
CU17 116 Tahoua – Dabnou – Tsernaoua (CU2a)
CU18 993 Guinee Border(Sirana) – Odiénné – Ferké – Tehini – Bouna – Ghana Border(Bouna) – Kara – Ouaké – Djougou – Affon – Dali – Tchicandou – Nigeria Border
CU19a 200 Guessabo – Yamoussoukro
CU19b 306 Bouaké – N’Bahiakro – Daoukro – Agnibilékrou – Ghana Border
CU19c 216 Ghana Border – Atakpame – Doumé – Tchetti – Savalou – Logozohe – Glazoué
CU19d 60 CU10 – Save – Oke Owo – Nigeria Border
CU20 486 Parakou – Djougou – Natitingou – Porga – Tindangou – Fada Ngourma
CU21 277 (CU18) – Boundiali – Tengrea – Kolondieba – Zantiébougou (CU2a)
CU22 324 Pâ (CU2a) – Dano – Cote d’IvoireBorder – Doropo – Bouna
CU23 82 CU9 – Dapaong – Korbongou – Ponio – Kompienga – Tindangou (CU20)
CU24 328 Ghana Border – Palimé – Nosté – Kétou – Illara – Nigeria Border
CU25 380 Sakonisé (CU2a) – Koudougou – Dédougou – Noua – Djibasso – Bénéna – San (CU5)
CU26 180 Ouagadougou – Léo – Ghana Border
CU27 293 Bobo Dioulasso – Fô – Koutiala – Bla (CU5)