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C-31 road

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Parent: Llobregat Hop 5 terminal

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C-31 road
CountrySpain
Route31
Length km77
TerminiPalafolls — Palamós
RegionsCatalonia
ProvincesBarcelona, Girona
CitiesPalafolls, Blanes, Lloret de Mar, Tossa de Mar, Sant Feliu de Guíxols, Palamós

C-31 road The C-31 road is a regional arterial route in Catalonia linking the central Costa Brava corridor from the Maresme comarca through Selva to the Baix Empordà comarca. It serves coastal towns and inland connectors between Palafolls, Blanes, Lloret de Mar, Tossa de Mar, Sant Feliu de Guíxols and Palamós, integrating with highways and local networks that support tourism, freight and commuter flows. The corridor intersects major transport axes such as the AP-7, C-32, and regional roads that connect to ports, railways and airports serving the Barcelona metropolitan area and Girona.

Route description

The route begins near Palafolls at a junction with the C-35 and the AP-7, running northeast along the coastal fringe through the Maresme and Selva comarcas before entering the Baix Empordà coastline. It traverses urban sections in Blanes and Lloret de Mar, passes the medieval quarter of Tossa de Mar and skirts the medieval port of Sant Feliu de Guíxols, terminating near the fishing harbor of Palamós. Along its alignment the road negotiates Mediterranean topography including coastal cliffs adjacent to the Cap de Creus paleogeography and estuarine zones near the mouth of the Tordera River. The carriageway alternates between dual carriageway sections close to urban centers and single carriageway rural segments crossing the Gavarres massif, integrating with scenic overlooks near Cala Sa Boadella and access points for natural spaces such as the Montseny Natural Park and local beaches that attract seasonal traffic.

History

The corridor evolved from medieval coastal tracks serving maritime towns known for fishing and sail-driven commerce, with documented links to the medieval ports of Barcelona and Genoa via Catalan mercantile routes. In the 19th century, improvements paralleled industrialization in Mataró and the expansion of rail infrastructure like the Barcelona–Mataró railway. During the 20th century, state and Generalitat projects modernized the alignment to accommodate motor vehicles, influenced by national road plans under the Second Spanish Republic and later infrastructure policies during the Francoist Spain period. After the restoration of the Generalitat de Catalunya institutions, administration and upgrades were coordinated with regional transport strategies tied to the Catalan Statute of Autonomy. EU cohesion funds and tourism-driven investment in the 1990s and 2000s financed bypasses and safety works near Lloret de Mar and Tossa de Mar to reduce urban congestion and improve links to the Costa Brava ports.

Major junctions and connections

Key junctions include the interchange with the AP-7 at the Maresme-Girona corridor, the connector to the C-32 near southern approaches serving commuter flows toward Barcelona, and links with the GI-682 and GI-682 spurs that provide access to local harbors and marinas. The road interfaces with municipal ring roads in Blanes and Lloret de Mar, and with the regional network feeding the Sant Feliu de Guíxols–Girona railway corridor and the Palamós–Sant Feliu de Guíxols freight terminals. Intermodal connections tie to the Girona–Costa Brava Airport access roads, the Barcelona–Fabra i Puig suburban rail corridors, and feeder routes connecting to the N-II national road. These junctions are critical for linking cruise and commercial shipping at Palamós with inland distribution centers and the logistics nodes around Barcelona–El Prat Airport.

Traffic and usage

Traffic patterns are highly seasonal, driven by summer tourism to the Costa Brava beaches, festivals in Lloret de Mar and cultural events in Tossa de Mar and Palamós. Peak flows coincide with international arrivals via Barcelona–El Prat Airport and Girona Airport, generating congestion on feeder sections and urban approaches. Freight movements include fisheries exports from the Palamós port, construction materials for coastal developments, and service deliveries to hospitality sectors. Daily commuter traffic connects residential municipalities such as Palafolls and Blanes with employment centers in Mataró and Barcelona, while local public transport operators and regional bus services provide scheduled links to stations on the Rodalies de Catalunya network.

Maintenance and administration

Responsibility for maintenance and administration is shared between the Servei Català de Trànsit regional transport authority and provincial infrastructures departments under the Diputació de Girona and Diputació de Barcelona, in line with competencies allocated by the Generalitat de Catalunya. Works include pavement resurfacing, rockfall mitigation along coastal cliffs, installation of safety barriers and updating of signage to comply with European Union road safety directives. Capital projects have been co-financed through regional budgets, municipal contributions and occasional grants from national funds coordinated with the Ministerio de Fomento prior to decentralization agreements.

Future developments and improvements

Planned improvements emphasize safety, capacity and multimodal integration: bypasses around congested town centers, expanded dual carriageway segments, improved junctions with the AP-7 and upgraded connections to the Girona–Port de Palamós logistics platform. Environmental mitigation includes coastal erosion control measures, noise reduction barriers near populated areas, and habitat restoration alongside projects supported by European Regional Development Fund guidelines. Local authorities and the Agència Catalana de la Mobilitat continue stakeholder consultations to phase works that balance tourism demand, heritage preservation in towns like Tossa de Mar and sustainable transport objectives linked to regional climate action plans.

Category:Roads in Catalonia