/ /
Get a quote
Blog · Technical guides

Sixty years of operational knowledge, written down.

Guides on special transport, permits, escort coordination, routes and costs from Catalonia. What a company learns after sixty years moving cargo that nobody else moves.

· Transport for civil works and rail · 13 min read

Transport of equipment for civil works and rail: TBM segments, beams, switches and crossings, and heavy machinery

Catalonia enters the second half of 2026 with four major rail construction fronts active simultaneously. The L9/L10 TBM Hospi is boring Mandri-Lesseps; the L8 FGC starts boring in June; La Sagrera enters the fit-out phase; the Mediterranean Corridor extends standard gauge. TBM components, beams, switches and crossings, traction substation transformers.

Read analysis →
· Transport for energy infrastructure · 13 min read

Transport of equipment for energy infrastructure: green hydrogen, LNG terminals and gas corridors

Spain is one of the centres of gravity of the European energy transition: four flagship green hydrogen projects under simultaneous construction, the H2MED corridor with its BarMar submarine section, and a consolidated position as an LNG hub. Behind each project: electrolysers, 120-tonne rectifier transformers, compressors.

Read analysis →
· Equipment and operations · 13 min read

Lowboys for special transport: types and capacities

Lowboys are the workhorse of special transport. Extendable, low-bed, hydraulic modular, SPMT — each configuration corresponds to a specific combination of mass and dimensions. Understanding which trailer suits which cargo prevents oversized authorisations and undersized convoys.

Read analysis →
· Operations and escort · 13 min read

Pilot vehicle, agents and self-escort in special transport

Three levels of accompaniment, four police forces by territory. Confusing them is one of the most expensive mistakes when planning an inter-regional convoy. Mossos d'Esquadra, Guardia Civil, Ertzaintza, Foral — when each applies, who authorises, and within what deadlines.

Read analysis →
· Costs and operations · 13 min read

Special transport rates and cost factors

What does a special transport cost? Not a list price, but a structure of factors that combine: equipment used, escort needed, route complexity, authorisation category, time window, distance. Understanding the cost structure lets the shipper anticipate the quote and plan with realism.

Read analysis →
· Legal framework · 13 min read

Indivisible cargo: legal framework and operations for shippers

The concept of indivisible cargo is the gate to special transport. Spanish regulation distinguishes three figures: properly indivisible, assimilated to indivisible, and exception. Each one triggers different documentation, lead times and ACC category.

Read analysis →
· Port operations · 13 min read

Special transport accreditation at the Port of Barcelona

Operating special transport within the Port of Barcelona requires specific accreditation: PCS registration, harbour-master communication, port police coordination. The port is not just another road — it's a regulated enclosure with its own rules.

Read analysis →
· Permits and authorities · 13 min read

Difference between ACC and SCT in special transport

When does an inter-regional itinerary require DGT and SCT authorisation? The most frequent administrative confusion in Spanish special transport — and the one that delays the most convoys at autonomous-region borders.

Read analysis →
· Equipment guide · 13 min read

Trailer types in special transport: a visual guide

From extendable platform to modular hydraulic, blade lifter, and SPMT. Each cargo type requires a specific trailer configuration. This visual guide walks through every trailer family with diagrams and use cases.

Read analysis →
· Technical guide · 22 min read

Special transport from the Port of Barcelona: complete 2026 guide

What sixty years of operating from the Port of Barcelona have taught: the current regulatory framework, the permits actually required, how escort is coordinated, which routes work, what it costs, and where poorly prepared case files fail.

Read analysis →