Na progah irskega in severnoirskega omrežja je projektirana višina peronov 915 mm. Višina perona se izbere tako, da se optimalno izkoristi položaj stopnic na vlakih, ki so vgrajene v skladu z nakladalnim profilom IRL 1.
On the lines of Ireland and Northern Ireland networks, platforms shall have a design height of 915 mm. Platform heights shall be chosen so as to make optimal use of the step positions on trains built to the IRL1 loading gauge.