CHESAPEAKE BAY, VA - An expansion of the Chesapeake Bay Bridge-Tunnel (CBBT) reached a milestone this week with the tunnel boring machine “Chessie” breaking through to the end of its tunneling path.

Direct-current model with 21-pin connector, $204.99; with ESU LokSound V5 sound decoder, two cube-type speakers, and an ESU-designed “PowerPack” with two super capacitors, $314.99. Manufacturer: ...

Manufacturer: Wm. K. Walthers Inc., 5601 W. Florist Ave., Milwaukee, WI 53218; 414-527-0770; walthers.com WalthersProto HO scale test car features: 33” metal wheels Covered or exposed wheel bearings ...

ES44AH No. 1973, in a Chessie System theme, is the second CSX Transportation heritage-schemed locomotive to roll out of CSX’s Waycross, Ga., shop. Its number recognizes Chessie System’s founding year.