nycsubway.org: Track and Stations of the New York, Westchester, and Boston Railway (1912)
File:Arnold (1913) pg 247 - Standard four-track subway section (cropped).jpg - Wikimedia Commons
Gallery of Number 7 Subway Line Extension & 34 Street Hudson Yards Station / Dattner Architects - 16
The Project Gutenberg eBook of The New York Subway, by Anonymous
Metro station, flat vector illustration. Isometric city street cross section, subway entrance, train, railway platform Stock Vector Image & Art - Alamy
Second Avenue Subway - Arup
Vector Isometric Low Poly Subway Station Cutaway Stock Vector - Illustration of seats, metro: 86020906
The oldest bit of Toronto subway opened 50 years ago - Spacing Toronto
Court Square Subway Station | Steel Institute of New York
Subway Diagrams
nycsubway.org: The New York Subway: Chapter 02, Types and Methods of Construction
Typical Sections of Existing Subways for Rapid Transit in … | Flickr
Seattle subway station drawing / transverse section | Flickr
History of the Boston Subway: The First Subway in America - History of Massachusetts Blog
NYC Subway Guide - A Step-By-Step Guide to Using the NYC Subway
Cross Sections of Subways and Tunnels in Boston and Cambridge Circa 19 – Boston In Transit
Subway Sections stock image | Look and Learn
www.nycsubway.org | Nyc subway, Subway, Rapid transit
Subway Station Cross-section drawing of a Subway Station in London. First appea… | Section drawing architecture, Architecture drawing, Train station architecture
Understanding Union Station | Steve Munro
Subway Platforms Dimensions & Drawings | Dimensions.com
New York City Subway - Wikipedia
File:Cambridge Subway cross section diagram at Central station, 1912.jpg - Wikimedia Commons
