[6] Therefore, 600 series trams don't open their front and rear doors when stopping there.
[7] The network comprises two unnumbered lines, running from Ibaiondo to Salburua and from Abetxuko to Unibertsitatea.
Both lines share a common trunk in the city center before branching towards the outskirts (roughly on an "X" shape).
Instead, each terminus is given a color and a number of dots: Unibertsitatea red-1, Ibaiondo green-2, Abetxuko white-3 and Salburua purple-4.
[9] The indicators (called Minutran) mounted on top of the shelters show the time remaining for the next departures together with the number of dots and color corresponding to their destinations.