Grumpy Old Geeks Topics Southern California freeway naming Topic Southern California freeway naming 2 mentions in 1 episode The hosts discuss why Southern Californians commonly put “the” before freeway numbers. Mentions 319: The United States of Apathy Feb 11, 2019 1:01:35 The 101, the 405, the 5, the 10. 1:02:44 The linguistic pattern was already set. We were already saying the in front of the numbers.