(CBS), KLRU (PBS), KNVA (The CW), KBVO (MyNetworkTV), and KAKW (Univision O&O). KLRU produces several award-winning locally produced programs such as Austin City Limits. Despite Austin's explosive growth, it is only a medium-sized market (currently 38th) because the suburban and rural areas are not much larger than the city proper. Additionally, the proximity of San Antonio truncates the potential market area. Alex Jones, journalist, radio show host and filmmaker, produces his talk show The Alex Jones Show in Austin which broadcasts nationally on more than 60 AM and FM radio stations in the United States, WWCR Radio shortwave and XM Radio: Channel 166. Transportation In 2009, 72.7% of Austin (city) commuters drove alone, with other mode shares being: 10.4% carpool, 6% were remote workers, 5% use transit, 2.3% walk, and 1% bicycle. In 2016, the American Community Survey estimated modal shares for Austin (city) commuters of 73.5% for driving alone, 9.6% for carpooling, 3.6% for riding transit, 2% for walking, and 1.5% for cycling. The city of Austin has a lower than average percentage of households without a car. In 2015, 6.9 percent of Austin households lacked a car, and decreased slightly to 6 percent in 2016. The national average was 8.7 percent in 2016. Austin averaged 1.65 cars per household in 2016, compared to a national average of 1.8. In mid-2019, TomTom ranked Austin as having the worst traffic congestion in Texas, as well as 19th nationally and 179th globally. Highways Central Austin lies between two major north–south freeways: Interstate 35 to the east and the Mopac Expressway (Loop 1) to the west. U.S. Highway 183 runs from northwest to southeast, and State Highway 71 crosses the southern part of the city from east to west, completing a rough "box" around central and north-central Austin. Austin is the largest city in the United States to be served by only one Interstate Highway. U.S. Highway 290 enters Austin from the east and merges into Interstate 35. Its highway designation continues south on I-35 and then becomes part of Highway 71, continuing to the west. Highway 290 splits from Highway 71 in southwest Austin, in an interchange known as "The Y." Highway 71 continues to Brady, Texas, and Highway 290 continues west to intersect Interstate 10 near Junction. Interstate 35 continues south through San Antonio to Laredo on the Texas-Mexico border. Interstate 35 is the highway link to the Dallas-Fort Worth