The Bureau of Transportation Statistics (BTS) today released its monthly update to National Transportation Statistics (NTS), a guide to historical national-level transportation trends.

Each month, BTS updates NTS with transportation statistics from across the following areas:

• The extent, condition, use, and performance of the physical transportation network and infrastructure;
• Safety information including accidents, crashes, fatalities, and injuries for each transportation mode and for hazardous materials movement;
• Transportation’s impact on the economy, including gross domestic product, employment by industry and occupation, and transportation-related consumer and Government expenditures; and
• Transportation’s impact on energy use.

This month, the following tables received new data:

• Number of U.S. Airports (1-3)
•  U.S. Vehicle-Miles (1-35, 1-35M)
• Top U.S. Foreign Trade Freight Gateways by Value of Shipments (1-51) 
• U.S.-Canadian Border Land-Freight Gateways: Number of Incoming Truck or Train Crossings (1-53)
• U.S.-Mexican Border Land-Freight Gateways: Number of Incoming Truck and Train Crossings (1-55) 
• Major U.S. Air Carrier Delays, Cancellations, and Diversions (1-68)
• Hazardous Materials Fatalities, Injuries, Accidents, and Property Damage Data (2-6)
• Prohibited Items Intercepted at Airport Screening Checkpoints (2-16)
• Transit Safety Transit Safety and Property Damage Data (2-32)
• Reports of Violent Crime, Property Crime, and Arrests by Transit Mode (2-38)
• Railroad and Grade-Crossing Fatalities (2-39)
• Railroad and Grade-Crossing Injured Persons (2-40)
• Train Fatalities, Injuries, and Accidents by Type of Accident (2-41)
• Railroad Passenger Safety Data (2-42)
• Railroad System Safety and Property Damage (2-43)

NTS is a collection of transportation data first published by BTS in November 1971. NTS has grown to over 200 regularly updated datasets and tables after incorporating materials from other Department of Transportation programs.