Main road 403 (Hungary)
| _Otszogletu_zold_tabla.svg.png) | |
|---|---|
| 403-as főút | |
| Eastern bypass of Nyíregyháza | |
| Route information | |
| Part of  E573 | |
| Length | 14 km (8.7 mi) | 
| History | 2006–2008 | 
| Major junctions | |
| From | _Otszogletu_kek_tabla.svg.png) M3 in Nyíregyháza-kelet | 
| 
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| To | _Otszogletu_zold_tabla.svg.png) 4 near Nyírtura | 
| Location | |
| Country | Hungary | 
| Counties | Szabolcs-Szatmár-Bereg | 
| Major cities | Nyíregyháza | 
| Highway system | |
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The Main road 403 (Hungarian: 403-as főút) is a short bypass direction First class main road near Nyíregyháza, that connects the Nyírgegyháza-kelet junction in M3 motorway to the Main road 4 near Nyírmada. The road is 14 kilometres (8.7 mi) long.[1]
The road, as well as all other main roads in Hungary, is managed and maintained by Magyar Közút, a state owned company.
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