Actually, there was this construction where the train operated in two sections but instead of the R142 be signed as a train, it was signed as a train but layed somewhere between 149 Street GC or Burnside Avenue to Woodlawn. Remeber when the first or second section short in this case only the Bronx, the trains are almost like shuttles.
The R62A's are scheduled to be replaced and some scrapped in 2023. The leftovers are going to be for work cars. So the single units R62A LED are used for the .