The Coulsdon relief road , was opened 18 December 2006 as part of the A23 , passes underneath the station .
The Coulsdon relief road , was meant that some rearrangement and refurbishment of the platform access routes was required .
The Coulsdon relief road , was opened 18 December 2006 as part of the A23 , passes underneath the station and meant that some rearrangement and refurbishment of the platform access routes was required .