Highway A3 (Algeria)
Highway A3 also called The Western Highway (Autoroute de l'Ouest) is a toll-free controlled-access highway in Algeria
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| Route information | |
| Part of TAH 1 | |
| Length | 510 km (320 mi) | 
| Major junctions | |
| East end | Chiffa | 
| West end | Maghnia (Algerian-Moroccan Border) | 
| Location | |
| Country | Algeria | 
| Provinces | Blida Aïn Defla Chlef Relizane Mascara Sidi Bel Abbès Tlemcen | 
| Highway system | |
| Algerian Highways | |
It spans the length of 510 km (317 mi) with 2x3 lane configuration it starts in Chiffa in Blida and ends at the Algerian-Moroccan Border near Maghnia in Tlemcen[1]
Intersections
- Blida
 1:  A1   in Chiffa 1:  A1   in Chiffa
 2:  W62  in Mouzaïa 2:  W62  in Mouzaïa
 3:   N4 in El Affroun 3:   N4 in El Affroun
- Aïn Defla
 4:   N4  in Boumedfaâ 4:   N4  in Boumedfaâ
 5:   4th Ring Road of Algiers  in Aïn Soltane 5:   4th Ring Road of Algiers  in Aïn Soltane
 6:   N18  in Khemis Miliana 6:   N18  in Khemis Miliana
 7:   N4  in Bouchared 7:   N4  in Bouchared
 8:  W140  in Tiberkanine 8:  W140  in Tiberkanine
- Chlef
 9:  W132  in Oued Fodda 9:  W132  in Oued Fodda
 10:  N19  in Chlef 10:  N19  in Chlef
 11:  N4  in Oued Sly 11:  N4  in Oued Sly
 12:  W73  in Boukadir 12:  W73  in Boukadir
- Relizane:
 13:  N90  in Oued Rhiou 13:  N90  in Oued Rhiou
 14:  N90A  and  A60  in El Hamadna 14:  N90A  and  A60  in El Hamadna
 15:  W13  in Relizane 15:  W13  in Relizane
 16:   N4  in Yellel 16:   N4  in Yellel
- Mascara
 17:   N17  in Mohammadia 17:   N17  in Mohammadia
 18:  N97  in Ras Ain Amirouche (Sig) and PR Mascara  P6 18:  N97  in Ras Ain Amirouche (Sig) and PR Mascara  P6
 19: A62  in Zahana 19: A62  in Zahana
- Sidi Bel Abbès
 20:   N13  in Aïn El Berd 20:   N13  in Aïn El Berd
 21:   N95  in Sidi Bel Abbès 21:   N95  in Sidi Bel Abbès
 22:   N96  Sidi Ali Boussidi 22:   N96  Sidi Ali Boussidi
- Tlemcen
 23:   N2  in Amieur 23:   N2  in Amieur
 24:  N22  in Tlemcen 24:  N22  in Tlemcen
 25:   N35  in Hammam Boughrara 25:   N35  in Hammam Boughrara
 26:   N7  in Maghnia 26:   N7  in Maghnia
