After combining trains with EDPO at Western Ave in Lowell, AYPO (Ayer, MA to Portland, ME) is seen crossing Shawsheen Street in Tewksbury, about to take Lowell Junction.
After combining trains with EDPO at Western Ave in Lowell, AYPO (Ayer, MA to Portland, ME) is seen passing the signals at control point 297 in the Wamesit section of Tewksbury.
After combining trains with EDPO at Western Ave in Lowell, AYPO (Ayer, MA to Portland, ME) is seen crossing the Concord River headed out of Lowell toward Wamesit.
After combining trains with EDPO at Western Ave in Lowell, AYPO (Ayer, MA to Portland, ME) is seen passing the old Boston & Maine tower at Lowell Yard with a 9,000 foot plus train.