(23 Jan 2016, 7:17 pm)tyresmoke wrote Yeah 4513 has just come back out this week - I guess not for long given 4726 entered service yesterday, and 4721 is also ready at Redcar.
The Streetlites regularly get used in other work when not required on X3/X4 as they have 2 spares (one being 1440). Stockton only have the one (1512) which usually appears on the town services 9/27/27A when not required.
Think I snapped 4721 in Middlesbrough this morning, along with 4726.