. Railway age . ated inFig. 2. To eliminate the grade crossings at Summer street and atShrewsbury street, it was at first suggested that the passengertraffic of the Boston & Maine could be carried over the Viaductand then switched back into the Union Depot. This objectionablefeature of switching led lo the suggestion that the new passengerstation should be located between the Viaduct and Green street,but it was finally decided that the location, shown on Fig. 1, Inthe angle between the Viaduct and the Boston ft Albany trackswould be serviceable for all thrtc railroads. The site for the new uni
. Railway age . ated inFig. 2. To eliminate the grade crossings at Summer street and atShrewsbury street, it was at first suggested that the passengertraffic of the Boston & Maine could be carried over the Viaductand then switched back into the Union Depot. This objectionablefeature of switching led lo the suggestion that the new passengerstation should be located between the Viaduct and Green street,but it was finally decided that the location, shown on Fig. 1, Inthe angle between the Viaduct and the Boston ft Albany trackswould be serviceable for all thrtc railroads. The site for the new union passenger depot having been de-cided upon, it seemed advisable to continue Harding street, carry-ing it under the railroad so as to connect with Canal street, onthe other side of the tracks. The railroad above this street is tobe supported on a steel bridge with watertight floor and with pro-vision for deadening the sound of passing trains. Green street, a street of very heavy traffic, including two elec-. General Layout of Worcester Grade Revision, and Profile of Boston &. Albany Entrance. Boston & Albany freight yard, which is to remain undisturbpd ingrade. On the Boston & Albany this work will involve the elevationof two and a half miles of the two-track main line, a mile and ahalf of which will be raised to an average height of about 17 the present grade, while the run-offs at each end of thetrack elevation will require the remaining mile. Fig. 1 shows theplan and profile of this location. It will be seen that the maximumgrade on this elevated portion of the road will be 0.,)40 per cent,for westbound traffic, and per cent, for eastbound. WorcesterIs a division point. The ruling grades on the division from Bostonto Worcester are, both westbound and eastbound. per cent. Forthe division from Worcester to Springfield they are for per cent., and for eastbound per cent. It is obvious, then,that the proposed railroad grades are well with
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