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Modular articulated vehicles (25.25 m) and special articulated vehicle lengths

Rules, routes, requirements and border crossing

2026-06-14·6 min reading

Modular articulated vehicles of 25.25 m are permitted on certain routes in Denmark. Here is what distinguishes them from standard articulated vehicles (18.75 m / 16.50 m), what they require, and what happens at border crossing.

Introduction

Since the modular vehicle train system was introduced, specific lorry combinations of up to 25.25 m and up to 60 tonnes permitted total weight can run on approved routes in Denmark. This is significantly more than normal limits, and there are special requirements attached to it.

Comparison with normal limits (BEK 1447/2025)

TypeMax. lengthMax. total weightNote
Truck (motor-driven)12,00 mOp til 42.000 kg (5+ aksler)§ 8 + § 21
Articulated vehicle (car + trailer)18,75 m56.000 kg (7+ aksler; 58.000 fra 1/1-2027)§ 11 + § 21
Articulated lorry (tractor and semi-trailer)16,50 m§ 11
Modular road train25,25 mApprox. 60 t (route-dependent)Special arrangement
Truck12 mArticulated lorry (tractor and semi-trailer)16,5 mRoad train18,75 mModular road train25,25 mModular articulated vehicles are a special arrangement on approved routes (Road Directorate).
Fig. Lengths compared: lorry 12.00 m, articulated lorry 16.50 m, rigid vehicle 18.75 m and modular vehicle 25.25 m

Requirements for articulated lorries

  • 01Driving only on route network approved by the Road Directorate — always check if your route is approved.
  • 02Requirements for construction: special couplings, rear axle steering and type approval of the combination.
  • 03Drivers must typically have documented experience with long combinations.
  • 04Modular articulated vehicles are normally not permitted to cross borders to other EU countries without special permission.

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