What are the new DGT 2+1 roads and what restrictions do they have
Have you heard about 2+1 roads? The General Directorate of Traffic is in the process of eliminating the 20km/h margin to overtake with the approach of incorporating into the road system this type of road, which we will now see what they are about.
This is an initial step that justifies the elimination of this margin and in the same way give rise to the 2+1 road initiative that will make overtake possible without invading the opposite lane.
Roads 2+1, a new road design
In March of the current year, an order was approved which included certain recommendations for the design of these roads 2+1 and the additional lanes for overtaking. This is the birth of the concept of 2+1 roads, since these will have a lane in each direction and another one inside to make overtaking, that is three lanes, leaving the central only to overtake.
The characteristics of these roads are regulated by the definition of the central lane for overtaking that will be of a length between 800 meters and 2 kilometers, depending on the road where this lane is started. The width of this will be 3.5 meters, although it could be reduced to 3 meters on some roads. The so-called "safety zone" when you have to return to your lane, will be at least 200 meters.
There must be a separation between the central lane and the lateral ones that will be determined by the company that carries out the adaptation of these roads and they will also establish the elements that will mark the limits. The separation should be between 1.5 and 2 meters, depending on the road.
In addition to all the above, there must be a sign on the road that identifies this type of road and indicates the beginning and end of this, to indicate to drivers which are the areas that have delimited to overtake.
In favour of 2+1 roads
These types of roads, as we have already indicated, have the advantage of allowing overtaking in both directions without invading the opposite lane, but there are other advantages that the DGT has chosen to include in the new law.
* In addition to the above, it would be to increase road safety, eliminating factors that could lead to an accident.
* The use of these roads will increase the average speed of vehicles, but with more safety, and thus the conditions of road service are optimal.
* The construction costs of other roads such as motorways would be reduced, as this type of road could prevent such construction.
* The lower environmental impact comparing to the construction of highways or motorways would be added to the previous point.
* It leaves more flexibility in the design of new roads since it is not necessary as much distance for overtaking as on a conventional road.
* This type of road gives advantage to vehicles to overtake those that are heavy or with slow speeds.
In Spain these roads will not be incorporated until a few years, but in other countries the 2+1 roads already have a great use as is the case of Germany, Denmark, Ireland, Finland, France... And outside Europe in the United States and Canada.
The function of the roads is the same, but each country has set its speed restrictions (between 80 and 120 Km/h), length (from 1 to 2.5 Km) and delimitation marks (reflective separations, concrete barriers or rumble strips.
What do you think about the new implementation of the 2+1 roads? You know that at Talleres Martínez you can keep informed of all the new road safety developments that are implemented.
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