Secondary motorways

The A15 (E42)
The A15 (E42), also known as "the Walloon motorway", is a motorway connecting Loncin (Liège) to the A7 (E19-E42), passing through Saint-Georges-sur-Meuse, Héron, Fernelmont, the A4 (E411), Namur, La Bruyère, Sambreville, Fleurus, the R3, Charleroi, the A54 (E420), Courcelles, Manage, the A501, and La Louvière. Fully completed in 1974, it is the fourth largest motorway in the country. In the province of Hainaut, the route was equipped with over 90% concrete masts, unlike the provinces of Namur and Liège. It featured by Schréder RX in H as well as from Schréder VTP in H for the central berms. For the side berms, it was mainly from Schréder GSO-GZM, with a few Schréder MC. The motorway service areas were equipped with Schréder Saturne, Saturne 3S as well as Schréder TXN in certain places. Its relamping began at the end of 2019 and was completed at the end of 2022.
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The A16 (E42)
The A16 (E42), also known as "the Walloon motorway", is a motorway connecting the A15 (E42) to the A8 (E429) passing through Pommeroeul, Bernissart, Péruwelz, Antoing, and Tournai. This route was made up of 85% concrete masts. It featured by Schréder RX for the central berms and Schréder GSO-GZM for the side berms. Other lights from this brand could be found as well as some examples from the brands ACEC and Indal. The axis was completely relamped in 2022.
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The A18 (E40)
The A18 (E40) is a motorway connecting the A10 (E40) to the French border, passing through Jabbeke, Oudenburg, Gistel, Nieuwpoort, Furnes, and La Panne. Inaugurated in 1977 up to Nieuwpoort, it wasn't until 1997 that it connected the two countries (Dunkirk). It was one of the few Belgian motorways not to be fully lit. Around 2015, some low-pressure sodium lamp fixtures were replaced with new models for high-pressure sodium, with the Schréder Saphir being used for this purpose. The central verges were illuminated by ACEC. RBE as well as by Schréder RX. For the side berms, there was mainly Schréder GZM, Onyx and VTC The relamping began in 2021 and is set to finish in 2024. The masts of the central berm were completely removed during that same year.
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The A25 (E25)
The A25 (E25) is a motorway connecting the Dutch border to Liège, passing through Visé, Argenteau, Cheratte, the A3 (E25, E40, E42), and Wandre. It is the first motorway in Wallonia to undergo "relamping". This took place around 2013 to determine which LED luminaire would be most suitable for the future lighting plan, and it is therefore considered a test motorway. The route was illuminated by various Schréder RX as well as with GZM, GSO, MC2 etc... The motorway was completely relamped in 2024.
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The A26 (E25)
The A26 (E25), also known as "the motorway of the sun," is a motorway connecting Angleur (Liège) via the A602 to the A4 (E411), passing through Chaudfontaine, Sprimont, Remouchamps (Aywaille), Fraiture, Houffalize, and Bastogne. This route is the first to undergo "relamping" through the light plan 4.0 (Luwa project). It mainly featured several types of Schréder RX and VTP for the central berms. The side berms of the province of Luxembourg only had Schréder GZM, while in the province of Liège, there was a mix with Schréder GSO. The service areas of the motorway were equipped with Schréder Saturne-Saturne 3S. The route was completely relamped in 2021, making it the first Walloon motorway fully equipped with LED lighting.
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The A27 (E42)
The A27 (E42) is a motorway connecting Battice (Herve) to the German border, passing through Dison, Verviers, Pepinster, Spa, Francorchamps, Malmedy, and Saint-Vith. It was fully completed in 1995 with the opening of the Malmedy-Francorchamps section. This route was illuminated by Schréder RX in H and I for the central berms and mainly by Schréder GZM for the side verges. The first examples were changed around 2015 during the rehabilitation of the roadway in Verviers. Around 2016, the section Malmedy-Saint-Vith had all its lights removed from the central verges. The entire axis was relamped at the end of 2024.
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The A54 (E420)
The A54 (E420), also known as the Carolorégienne, is a motorway connecting the A7 to the R9 (Inner Ring of Charleroi) passing through Nivelles, Pont-à-Celles, the A15 (E42), Gosselies, Ransart, and Lodelinsart. Fully completed in 1972, it was named the most dangerous motorway in the country due to its long descent between Nivelles and Gosselies and its small entry and exit points. This route was illuminated by Schréder RX in H for the central berms, while the side berms mainly featured Schréder GZM and GSO. After the Ransart exit, a large number of Schréder RX and TXS in T were installed. The first LED lights appeared around 2017. The motorway was completely relamped in 2023.
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