1.- Escort with pilot car
Group 1 - Vehicles in special transport status when exceeding, due to the indivisible load carried, the maximum weights and/or dimensions.
1.1 One pilot car.
1.2. Two pilot car on highways.
1.3 Two pilot cars on conventional roads.




Group 2 -Special agricultural vehicles and combinations thereof which, by reason of their construction, permanently exceed the maximum masses or maximum dimensions./div>
2.1 By dimensions
They may travel on motorways, even if they do not reach a speed of 60 km/h on level ground, when there is no alternative route or suitable service road.
2.2 By speed
If the speed of movement is less than half the generic speed allowed on the road, it will be located behind at said minimum distance.
Group 3 - Special vehicles and their assemblies for works and services which, by construction, permanently exceed the maximum masses or dimensions.
3.1 By dimensions: when the width exceeds 3.50 meters, or the length exceeds 30 meters.
3.2 By speed: If the speed of movement is less than half the generic speed allowed on the road, it will be located behind at said minimum distance.
Group 4 - By weight
- When its weight exceeds that established in the generic license, it shall require the accompaniment of a pilot car.
A pilot car in the rear on highways and a pilot car in the front on conventional roads.
2.- Police escort + pilot car
Escort of the police when the following dimensions are exceeded:
- Length 40.00m
- Width 5.00m
The holder shall inform, at least 72 hours in advance, the traffic police in the province of departure of the place, time and date of the start of each of the authorized journeys, indicating the license plate number of the vehicle or vehicles making the journey and then enclosing a copy of the authorization.
2.1 On highways police escort + 1 pilot car.
2.2 On conventional roads police escort + 2 pilot car.
2.3 On highways or conventional roads police escort + 1 pilot car.
2.4 On conventional road police escort + 2 pilot car.
2.5 On Highways police escort + 1 pilot car.
2.6 On highways police escort + 2 pilot car..
When the speed is lower than 40Km/h, on highways or freeways.
2.7 There are variations in Pais Vasco, consult the BOE.
3.- summary of points 1, 2
4.- Traffic conditions for groups 1, 2, 3
The pilot car will keep and maintain a minimum separation of 50 m with the vehicle that precedes it and will allow and facilitate the overtaking of faster moving vehicles, and will stop if necessary, In no case should it force drivers of other vehicles to abruptly modify their speed or trajectory.
Stops and parking will be made off the road and the shoulder.
The pilot vehicle is authorized to use the V-2 signal while providing the service, which shall be visible both to the front and to the rear and shall be switched off at the end of the service
It should be possible to establish communications by radio and by telephone in a language known to both parties between the personnel of the pilot vehicle and that of the cabin of the special vehicle or in a special transport regime.
As well as the signalling devices determined by the General Vehicle Regulations for the category of vehicle in question, special vehicles and vehicles under special transport regime, shall have V-2 light signals distributed in such a way that the outline of the cross section of the vehicles is perfectly delimited, on their front and rear fronts, as well as V-4, V-5 (optional of V-4), V-6, V-16, V-20 signals and those contemplated in article 15.6 and 7 of the General Traffic Regulations, when applicable. They will also permanently use the crossing lighting.
Traffic restrictions shall be always complied with, especially those that are signposted on the road or those indicated by the traffic control officers..
Traffic must be suspended leaving the traffic platform, when there are adverse atmospheric phenomena that pose a risk to traffic, or when there is no visibility of at least 150 m, both forwards and backwards.
The owner of the vehicle must make sure, even by walking the route prior to the completion of each trip, that there are no physical limitations or obstacles that would impede the journey.
Special vehicles or vehicles travelling under a special transport regime whose width exceeds five metres must be accompanied by traffic control officers. At least 72 hours in advance, the holder must inform the traffic police in the province of departure of the place, time and date of the start of each authorized journey, indicating the license plate of the vehicle or vehicles making the journey and enclosing a copy of the authorisation. The same notice shall also be sent to the body designated to receive it by the road owner.
4.1.- SPEEDS
a) Vehicle with generic authorization: the maximum allowed driving speed shall be 70 km/h. The more restrictive limitations appearing on vehicle's the ITV card shall prevail over these limitations.
b) Vehicle with specific authorization: the maximum speed allowed shall be 60 km/h. The most restrictive limitations appearing on the vehicle's ITV card shall prevail over these limitations
c) Vehicle with exceptional authorization: the maximum permitted speed will be that set out in the authorization, and in no case will it exceed 60 km/h. The most restrictive limitations appearing on the vehicle's ITV card shall prevail over these limitations.
4.2.- RUNNING HOURS
- Running hours: any vehicle operating under a special transport regime with a generic or specific authorization may operate both day and night; however, in the case of exceptional transport, it may be allowed to operate between sunset and sunrise when this is stated in the authorization issued.
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They may not circulate on Sundays and national public holidays (public holidays in all the Autonomous Communities) and regional public holidays, from eight o'clock to twenty-four o'clock within the corresponding national or Autonomous Community district. Neither may they circulate on the eve of public holidays, except those which fall on a Saturday, on national public holidays, from 13:00 to 24:00 (this last limitation includes Wednesday 1 April, the eve of Thursday 2 April, in the Autonomous Communities where this day is a public holiday).

In addition, on weekdays in both directions in Madrid from 7h to 10h and from 18h to 21h (A-1 del km 11,8 to 50; A-2 from km 10,8 to 38; A- del km 7 to 40; A-4 del km 6,7 to 30; A-42 from km 6,2 to 27,5; A-5 from km 11,2 to 35; A-6 from km 6,8 to 39,5; M-607 from km 9,2 to 39,4; M-40 from km 0 to 61,3; M-45 from km 0 to 31; M-50 from km 0 to 84,5; M-501 from km 0 to 21,7; M-505 from km 0 to 29,5 y M-506 from km 0 to 53) and in Sevilla in SE-30 from km 10 to 12.
5.- Sanctions
Driving the vehicle in breach of the conditions laid down in the supplementary authorisation (give brief details of the condition breached) Reduced visibility due to weather conditions, visibility of less than 150 metres to the front or rear of the vehicle - 450 €.
According to a letter from the DGT dated 26/11/04, which is transcribed below. It is currently possible to circulate with a vehicle or special transport covered by one, two or more complementary authorisations to travel a specific route. The origin and destination of the journey may not coincide with what is established in the authorisation(s) being used, but the important thing is to verify that at the time the vehicle or special vehicle is travelling, the holder of the authorisation is covered by an authorisation and that it complies with what is established in the authorisation. DO NOT REPORT FOR BEING OFF THE ROUTE.
According to a letter from the DGT. dated 26/10/04, in relation to the possibility of a taxi being able to act as a pilot vehicle in special transport, I would like to inform you of the following: The General Vehicle Regulation (RGV) defines a taxi as a passenger car used for public passenger transport and whether or not it is fitted with a taximeter. The aforementioned RGV also requires taxis to be permanently equipped with specific lights and signals. On the other hand, Art. 66.1.a) of Law 38/92 on Special Taxes establishes that taxis are exempt from the special tax on certain means of transport, based on the service they are used for. For all these reasons, and also considering that pilot vehicles accompanying special transport must, in accordance with Annex XI of the RGV, have the V-2 sign installed, after accreditation before the Provincial Traffic Headquarters of the service for which they are intended, which in the case of taxis, THIS GENERAL SUB-DIRECTION CONSIDERS THAT A TAXI SHOULD NOT BE AUTHORISED TO CARRY OUT SERVICES AS A PILOT VEHICLE ACCOMPANYING A SPECIAL TRANSPORT.
Driving without the corresponding additional authorisation with the vehicle described whose masses or dimensions, including the indivisible load, exceed the regulatory limits - 500€.
6.- Time restrictions
6.1 - Driving restrictions in Spain 2024 (except Catalonia, Navarre and the Basque Country)
7.- Access to the port of barcelona
1. Types of vehicles requiring special circulation authorisations (SCA):
Special vehicles:
vehicles whose technical characteristics permanently exceed the limits established for masses and dimensions in Annex IX of the RGV.
Vehicles under special transport regime: are those vehicles that due to the indivisible load, or load assimilated to indivisible load that they transport, as is the case of the grouping of similar elements and auxiliary crane material, permanently exceed the limits established on the masses and dimensions of Annex IX of the RGV.
2. Categories of authorisations:
(a) Special authorisations for GENERIC or non-route circulation. The maximum masses and dimensions established by the APB for these types of authorisations shall be those that do not exceed any of the following mass and dimension limits:
Length ≤ 25 m
Width ≤ 3.20 m
Height ≤ 4,50 m
Laden mass ≤ 60 tonnes
b) Special SPECIFIC or itinerary driving authorisations.
Length < 40 m
Width < 5 m
Height > 4,50 m
Laden mass > 60 tonnes
c) Special driving authorisations EXCEPTIONAL.
Length ≥ 40 m
Width ≥ 5 m
• The special generic movement authorisations for inland transport can be applied for within 24 hours before the transport is to take place.
• The special movement authorisations must be applied for at least 48 hours before the planned date of transport.
• The special Authorisations for exceptional movements must be requested at least one week in advance, depending on the complexity of the transport, and only in person at the WTC SAU.
8.- Sketh pilot car in the basque country

Real Decreto 1428/2003 de 21 de noviembre, approving the General Traffic Regulations for the application and development of the articulated text of the Law on traffic, circulation of motor vehicles and road safety, approved by Royal Legislative Decree 339/1990, of 2 March.
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