Method for controlling a vehicle , the vehicle comprising: - a current collector arranged to transmit electric power from a current conductor located in a predetermined position in the surface of a road , a lateral distance (D1) from one side edge of the road ; and - at least one first detecting means (38; 38',39a, 39b) located adjacent the current collector and arranged to generate a signal indicative of the position of the current collector relative to a current conductor reference point (C); wherein the current collector is arranged displaceable relative to the vehicle to track the current conductor in response to the generated signal; characterized by said vehicle further comprising: - at least one second detecting means for detecting the position of the current collector relative to the vehicle; - means for setting the lateral distance (D1) from the one side edge of the road to the predetermined position in the surface of a road ; wherein the method comprises continuously performing the steps of: - determining a first distance (X1) representing a position (P1) of the current collector relative to the current conductor reference point (C) in the transverse direction of the vehicle; - determining a second distance (X2) representing a position (P2) of the current collector relative to a vehicle reference point (R) in the transverse direction of the vehicle; and - determining a distance between the vehicle reference point (R) and the current conductor reference point (C) in the transverse direction of the vehicle using the first and second distances (X1, X2), in order to determine a current vehicle position on the road relative to the one side edge of the road . - a current collector arranged to transmit electric power from a current conductor located in a predetermined position in the surface of a road , a lateral distance (D1) from one side edge of the road ; and - at least one first detecting means (38; 38',39a, 39b) located adjacent the current collector and arranged to generate a signal indicative of the position of the current collector relative to a current conductor reference point (C); wherein the current collector is arranged displaceable relative to the vehicle to track the current conductor in response to the generated signal; - at least one second detecting means for detecting the position of the current collector relative to the vehicle; - means for setting the lateral distance (D1) from the one side edge of the road to the predetermined position in the surface of a road ; - determining a first distance (X1) representing a position (P1) of the current collector relative to the current conductor reference point (C) in the transverse direction of the vehicle; - determining a second distance (X2) representing a position (P2) of the current collector relative to a vehicle reference point (R) in the transverse direction of the vehicle; and - determining a distance between the vehicle reference point (R) and the current conductor reference point (C) in the transverse direction of the vehicle using the first and second distances (X1, X2), in order to determine a current vehicle position on the road relative to the one side edge of the road . <EOS>