Two lanes of I-80 Eastbound opened Wednesday after sinkholes, voids closed all lanes in mid-March

Two westbound lanes are now scheduled to reopen in late May

AvalonBay Communities says engineering surveys confirm the building in Wharton is safe

Officials say the hole was caused by a collapsed drainage pipe, unlike I-80 sinkholes

Sinkholes have closed I-80 in both directions near Exit 34, flooding nearby communities with traffic