THE EAST PENN TRACTION CLUB: http://www.eastpenn.org
An extremely useful site covering all aspects of Prototype and Model Traction. The most useful site for traction modelers.

TROLLEYVILLE: http://www.trolleyville.com/
A site devoted to traction modeling.

NATIONAL MODEL RAILROAD ASSOCIATION: (NMRA): http://www.nmra.org
An excellent reference for all phases of the model railroad hobby. This is the "NMRA ON THE WEB" page, and contains links to over 4000 model and prototype railroad sites.

CHICAGO, NORTH SHORE & MILWAUKEE RR: http://www.northshoreline.com/
A site devoted to the "North Shore".

NYC SUBWAY RESOURCES: http://www.nycsubway.org
An excellent site covering the NYC Subway System and other NYC Transit related sites.

MODELING THE NEW YORK CITY SUBWAY: http://www.monmouth.com/~patv/railroad.html
A site devoted to modeling the New York City Subway System.

DAVE MEWHINNEY (TROLLEY PHOTOGRAPHS): http://davesrailpix.com
Excellent source for traction photographs.

KEVIN FARRELL (BOOKDEALER): http://www.trainbooks.com
Excellent source for current and out of print books. Also sells photographs.

CUSTOM TRAXX (DECALS): http://home.earthlink.net/~traxx
Produces a good variety of decals for use on MTS Imports and other models.

GREENWAY PRODUCTS: http://www.greenwayproducts.com
Custom Display Cases and excellent source for hard to find details.

IMAGE REPLICAS: http://www.imagesreplicas.com
Manufacturer of New York City Rapid Transit Models and Accessories

Q-CAR COMPANY: http://www.qcarcompany.com
Manufacturer of O Scale Subway & Trolley Models and Power Trucks.

RAILROAD HISTORICAL SOCIETY: http://www.rrhistorical.com/rrpro/database.html

WORLD WIDE WEB RAILROAD LINKS: http://www.tadlane.com/rrlinks.htm
Contains links to over 7000 model and prototype railroad sites.

MODEL RAILROAD MAGAZINE INDEX: http://www.index.mrmag.com/