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32 Part II: Characteristics of the U.S. Ferry System
Table 3. Annual boardings in the 10 highest-ridership systems.
Service System Operator Percentage of Total
Annual Boardings
(Metropolitan Area) National Boardings
New York City DOT (New York City) 19,270,397 17%
WA State DOT (Seattle) 15,407,548 14%
Circle Line (New York City) 10,856,554 10%
NY Waterway (New York City) 7,244,419 6%
TX DOT (Houston Galveston) 6,648,007 6%
Blue & Gold Fleet (San Francisco) 3,750,000 3%
TX DOT (Corpus Christi Port Aransas) 3,000,000 3%
Woods Hole/Martha's Vineyard/Nantucket
2,970,000 3%
Steamship Authority (not a metropolitan area)
LA DOT (New Orleans) 2,512,504 2%
NC DOT Ferry Division
2,341,280 2%
(not a metropolitan area)
TOTAL Boardings of the 10 Highest Systems 74,000,709 66%
TOTAL Boardings of All U.S. Ferry Systems 113,332,016 100%
Note: These boardings are based on the National Ferry Database. Other sources indicate substantial
differences in boarding estimates. For example, an article in the Seattle Times, Oct. 24, 2003, estimates
annual Washington State DOT boardings at 26 million (http://seattletimes.nwsource.com/html/localnews/
2001773286_webferry23.html).
2.4.3 Vessel Cruising Speed and Hull Type
Ferry vessels are often categorized by their physical and mechanical characteristics. A vessel's
configuration establishes its performance, maneuverability, and limitations on the water. For
example, monohull vessel stability is more affected by wave action than catamaran hull vessels
are, but catamaran vessels require wider berths for docking. Monohull vessels are the most com-
mon in the ferry service, as shown in Table 5. The next most common category is catamarans,
which have dual hulls and often greater speed and maneuverability. The remaining 2% of the
USFS is a variety of other hull types.
Hull shape may affect a vessel's susceptibility to underwater damage, in addition to affecting
vessel speed. Both high-speed and maneuverability may reduce a vessel's (a) susceptibility to
ramming while underway and (b) hijacking from boarding while underway.
Table 4. Number and type of U.S. ferry vessels
in service.
Number
Type of Ferry Vessel
of Vessels
341 Passenger Only
326 Roll-On/Roll-Off
10 Railroad Carfloat
677 Total
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Chapter 2: USFS Security-Related Vessel Characteristics 33
Table 5. Hull types and service types from the National Ferry Database.
Service Type
Total
Hull Type Roll-On/ % Total
Passenger Only Rail Carfloat Vessels
Roll-Off
Monohull 271 320 10 601 89%
Catamaran 57 1 0 58 9%
Other multi-hull 0 1 0 1 <1%
Hydrofoil 2 0 0 2 <1%
Other 7 4 0 11 <2%
NULL 4 0 0 4 <1%
TOTAL 341 326 10 677 100%
Note
1. U.S. Department of Transportation. Federal Highway Administration, Intermodal and Statewide Programs
Division, National Ferry Study, National Ferry Database, December 2000.
