NS Washington District, B line, and Casanova branch.

NS 6 and 4-axle power sitting in the yard at Manassas, VA.

NS 6 and 4-axle power sitting in the yard at Manassas, VA.

UP and NS 4 and 6-axle power sitting in the yard in Manassas on a warm summer afternoon.

UP and NS 4 and 6-axle power sitting in the yard in Manassas on a warm summer afternoon.

UP and NS 4 and 6-axle power sitting in the yard in Manassas on a warm summer afternoon.

NS south bound intermodal comes off the B line at Manassas (Powell) by the NS yard.

NS north bound intermodfl rounds the curve in Culpeper.

Amtraks southbound regional making its station stop at Culpeper on the Washington District.

A northbound intermodal, likely NS 214, rounding the curve at Culpeper on the Washington District.

A northbound intermodal, likely NS 214, rounding the curve at Culpeper on the Washington District.

A northbound intermodal, likely NS 214, rounding the curve at Culpeper on the Washington District.

A southbound manifest, likely NS 35Q, rounding the curve at Culpeper on the Washington District.

NCDOTs RNCX F59PH No. 1893 trailing on Amtraks northbound Cardinal at Manassas on the Washington District.

NCDOTs RNCX F59PH No. 1893 trailing on Amtraks northbound Cardinal at Manassas on the Washington District.

A northbound intermodal, likely NS 2014, rounding the curve onto the B-line at CP Powell in Manassas.

A northbound intermodal, likely NS 214, rounding the curve onto the B-line at CP Powell in Manassas.

A northbound intermodal, likely NS 214, rounding the curve onto the B-line at CP Powell in Manassas.

NS power idling in the yard at dusk.

NS power idling in the yard at Manassas on a warm summer afternoon.

A southbound VRE commuter train racing through downtown Clifton - Southern Railway era signal bridge still standing at that time.

A trio of UP engines lead a northbound intermodal, likely NS 204, onto the B-line at CP Powell in Manassas.

A trio of UP engines lead a northbound intermodal, likely NS 204, onto the B-line at CP Powell in Manassas.

A trio of UP engines lead a northbound intermodal, likely NS 204, onto the B-line at CP Powell in Manassas.

NS 228 racing near CP South Manassas by the regional airport.

Northbound manifest, likely NS 12R, near CP South Manassas by the regional airport.

Northbound manifest, likely NS 12R, near CP South Manassas by the regional airport.

A southbound VRE commuter train arriving at Broad Run station near CP South Manassas by the regional airport.

A northbound/westbound manifest, likely NS 12R, at The Plains on the B-line with a slug set trailing.

A northbound/westbound manifest, likely NS 12R, at The Plains on the B-line with a slug set trailing.

A northbound/westbound manifest, likely NS 12R, at The Plains on the B-line with a slug set trailing.

NS local power in the yard at Manassas.

Northbound manifest, likely NS 36Q, rounding the curve at CP Powell onto the B-line with an ex-Conrail leader.

Northbound manifest, likely NS 36Q, rounding the curve at CP Powell onto the B-line with an ex-Conrail leader.

Conrail steel coil gon on northbound manifest, likely NS 36Q, at CP Powell.

N&W covered hoppers on northbound manifest, likely NS 36Q, at CP Powell.

Amtraks southbound Crescent at CP Powell in Manassas on the Washington District.

Pan shot of am ex-Conrail dash-8 leading a southbound manifest onto the Washington District at CP Powell in Manassas.

Local power idling in the yard at Manassas.

An ex-Conrail dash-8 in the yard at Manassas.

NS Vulcan local power heading to the quarry on the B-line to pick up loads.

NS Vulcan local power heading to the quarry on the B-line to pick up loads.

After a snowstorm the day before, southbound NS 228 rounds the curve onto the Washington District at CP Powell in Manassas.

Southbound Intermodal, likely NS 211, rolling timetable east through Haymarket on the B-line after heavy snowfall that week.

A trio of EMD standard cabs, two SD60s and an SD70, leading northbound NS 290 across Godwin Dr near CP South Manassas.

A trio of EMD standard cabs, two SD60s and an SD70, leading northbound NS 290 across Godwin Dr near CP South Manassas.

Southbound manifest, likely NS 35Q, racing south across Godwin Dr near CP South Manassas.

Amtraks northbound Crescent nearing its station stop at Manassas, crossing Godwin Dr near CP South Manassas.

Amtraks northbound Crescent nearing its station stop at Manassas, crossing Godwin Dr near CP South Manassas.

Piggyback trailers and container stacks towards the rear of northbound NS 290 - this train was abolished along with several others as a result of PSR.

(Unfortunately poorly focused) An ex-Conrail dash-8 and two UP units lead northbound NS 290 across Godwin Dr near CP South Manassas at sunrise.