Figure 7: Monthly Variation in Los Angeles' Weekday and Weekend Congested Hours due to Seasonal Factors

Difference in congested hours per day from the trendline

Excel | CSV | Graphic Version

Figure 7: Monthly Variation in Los Angeles' Weekday and Weekend Congested Hours due to Seasonal Factors

Excel | CSV | Table Version

SOURCE: Calculated from data used in preparation of Federal Highway Administration, Urban Congestion Report, April 2004...

Figure 2: Monthly Average of Congested Hours per Weekday in Los Angeles

Hours per day

Excel | CSV | Graphic Version

BTS Technical Report: Seasonal Variation in Traffic Congestion: A Study of Three U.S. Cities

August 2008 TR-005

BTS Technical Report: How Freight Moves: Estimating Mileage and Routes Using an Innovative GIS Tool

by Stephen M. Lewis and Felix Ammah-Tagoe, Ph.D.

PDF

The Bureau of Transportation Statistics (BTS) has developed an innovative software tool, called GeoMiler, that is helping researchers better estimate...

Figure 2. Illustration of an Intermodal Freight Shipment Path

Figure 2 illustrates the routing of a multimodal shipment from origin to destination. In this example, the shipment leaves the true origin by rail, travels to a transfer facility where the cargo is transferred to a...

Figure 1. GeoMiler System Flow

Figure 1 shows the three GeoMiler components – data processor, route solver, and map interface. The data pre-processor hosts all the input survey data received from the Census Bureau, and the post-processor returns the output data to the Census...

Figure 3. Example of a GeoMiler Path Determination

Great Lakes -> Inland Water -> Truck: Chicago to Haines City, FL

Figure 3 is a snapshot view from the mapping interface. In this case, the input origin is Chicago, Illinois and the destination is Haines City, Florida. The...

BTS Technical Report: How Freight Moves: Estimating Mileage and Routes Using an Innovative GIS Tool

June 2007 TR-001

Table 3: Frequency of Drunk Drivers by Light Condition

Excel | CSV