"what route did the union and confederate troops follow from the battle of the wilderness to the siege of petersburg

The Union Army and Confederate troops mainly followed the Spotysylvania and Coldharbour route from the battle of the wilderness to the siege of Petersburg through the following routes:
i) From the wilderness to Spotsylvania: Union Army comprising of V Corps (Warren) and II Corps.
ii) The wilderness -Todd's Tavern -Spotsylvania: VI Corps and IX Corps (Burnside).
iii) Chancellorsville- Aldrich- Spotsylvania:  Confederate Army, Calvary divisions & Brigade, Rosser and I Corps.
iv) The wilderness-Corbin Bridge- Blockhouse Bridge- Spotsylvania.