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| A46 (Germany) | |
|---|---|
| Country | DEU |
| Route | 46 |
| Length km | 87 |
| Terminus a | Heidelberg? |
| Terminus b | Duisburg? |
| States | North Rhine-Westphalia, Rhineland-Palatinate? |
A46 (Germany) is an autobahn-standard roadway in western Germany linking sections of the Ruhr area and adjacent regions. The route provides connections between urban centers, industrial sites, and regional transport infrastructures while intersecting multiple federal autobahns and state roads. It serves as a strategic corridor influencing freight movement, commuter flows, and regional planning.
The alignment traverses metropolitan and peri-urban landscapes, connecting nodes such as Duisburg, Dortmund, Wuppertal, Essen, Bottrop, Mülheim an der Ruhr, Düsseldorf, Neuss, Krefeld, Mönchengladbach, Ratingen, Velbert, Heiligenhaus, Schwelm, Gevelsberg, Ennepetal, Hattingen, Bochum, Herne, Gelsenkirchen, Oberhausen, Moers, Kamp-Lintfort, Voerde, Dinslaken, Hünxe, Bottrop-Kirchhellen, Gladbeck, Wesel, Rheinberg, Xanten, Kleve, Rees, Emmerich am Rhein, Kleve district, Rhein-Ruhr Metropolitan Region, Ruhrgebiet, Niederrhein, Bergisches Land, Rheinland, Nordrhein-Westfalen, Ruhr, Rhine, Wupper and transport hubs like Duisburg Inner Harbour, Düsseldorf Airport, Essen Hauptbahnhof, Dortmund Hauptbahnhof by proximity. It intersects long-distance corridors including Bundesautobahn 1, Bundesautobahn 2, Bundesautobahn 3, Bundesautobahn 40, Bundesautobahn 42, Bundesautobahn 57 and links to motorways feeding international crossings toward the Netherlands and Belgium. Topography includes river valleys adjacent to the Ruhr, lowlands of the Lower Rhine Lowlands, and the western foothills of the Sauerland near several interchanges.
Planning phases date to federal transport schemes that followed post-war reconstruction and later Bundesverkehrswegeplan revisions. Initial construction responded to industrial expansion in the Krupp era and later to freight needs from companies like ThyssenKrupp, Hochtief, Deutsche Bahn freight operations, and port logistics at Duisburg Inner Harbour. Political decisions at the Federal Ministry of Transport and Digital Infrastructure and regional administrations in North Rhine-Westphalia shaped routing, with environmental reviews influenced by directives from the European Union and regional planning authorities in entities such as the Metropolitan region Rhein-Ruhr. Major milestones included phased openings, wartime reparations-era delays, 20th-century expansions concurrent with Bundesautobahn network growth, and 21st-century upgrades tied to the Autobahn GmbH des Bundes reforms. Legal disputes and citizen initiatives involving groups like BUND affected alignments, while infrastructure financing drew on federal budgets and public-private partnerships guided by precedent from projects in Hamburg, Berlin, Frankfurt am Main, and Munich.
Interchanges connect with primary motorways and regional routes at nodes named after municipalities and infrastructure nodes: junctions near Duisburg-Huckingen, Duisburg-Walsum, Oberhausen-West, Essen-Kray, Gelsenkirchen-Buer, Bochum-Werne, Wuppertal-Langerfeld, Velbert-Nord, Ratingen-Ost, Düsseldorf-Mörsenbroich and link roads to facilities like Düsseldorf Airport, Essen Airport, freight terminals and industrial parks serving firms such as Rheinmetall, Evonik Industries, BASF (via regional corridors) and steelworks. Typical interchange designs include cloverleafs, trumpet interchanges and directional stacks consistent with German autobahn standards established in guidelines used for interchanges on Bundesautobahn 1 and Bundesautobahn 3. Exit signage conforms to standards promulgated by the Bundesministerium für Verkehr and traffic control integrates with regional control centers coordinated with Deutsche Bahn level crossing operations nearby.
Traffic composition mixes commuter vehicles, regional freight haulage, and long-distance transit serving the Rhein-Ruhr Metropolitan Region. Peak flows correlate with commuting patterns into employment centers like Düsseldorf Hauptbahnhof catchment and industrial shift changes for plants operated by ThyssenKrupp and logistics hubs such as Duisport. Traffic monitoring employs sensors and gantry systems similar to those on Bundesautobahn 2, with congestion hotspots near interchanges serving Essen, Duisburg and Wuppertal. Heavy goods vehicle proportions reflect freight modal split influenced by transshipment at Duisburg Inner Harbour and connections to the Port of Rotterdam supply chain. Accident statistics and safety programs reference campaigns like those by the Deutsche Verkehrswacht and adjust enforcement with agencies including the Bundespolizei and state police forces in North Rhine-Westphalia.
Recent and proposed projects include capacity increases, interchange reconfigurations, noise mitigation works, and pavement rehabilitation leveraging funding sources outlined in national plans mirroring investments in corridors such as A1, A3 upgrade programs. Proposals involve constructing additional lanes, replacing aging bridges with standards used in projects in Hamburg HafenCity and retrofits complying with EU environmental directives. Stakeholders include the Autobahn GmbH des Bundes, state ministries of North Rhine-Westphalia, municipal authorities in Duisburg and Düsseldorf, and private contractors with experience from firms like Hochtief and Bilfinger. Public consultations have paralleled those held for other regional projects such as the Stuttgart 21 debate, and financing mechanisms consider tolling models debated at the level of the European Commission and federal legislative bodies.
The corridor affects riparian ecosystems along the Ruhr and Rhine corridors, urban green spaces in municipalities like Wuppertal and Essen, and migratory fauna corridors studied by research institutes such as the Helmholtz Association and universities including Heinrich Heine University Düsseldorf and Ruhr University Bochum. Noise pollution drives mitigation like sound barriers and reforestation initiatives coordinated with NGOs such as BUND and municipal environmental offices. Social impacts include property acquisitions, changes in local traffic patterns affecting towns like Ratingen and Velbert, and employment effects tied to logistics sectors anchored by companies such as Duisport and ThyssenKrupp. Climate-related assessments align with targets from the German Climate Action Plan and emissions modeling used in regional planning by the Metropolitan region Rhein-Ruhr.
Category:Autobahns in Germany Category:Transport in North Rhine-Westphalia