CTA adding 4 bus routes to 'Frequent Network'

The Chicago Transit Authority is adding 10-minutes-or-better service to four more bus routes, further expanding its "Frequent Network" that launched last year. The Frequent Network will expand starting Sunday to three more lines: the No. 35 31st/35th, No. 74 Fullerton and No. 85 Central. In December, the No. 8 Halsted route will be added to the network. The expansion brings 24 total bus routes to the Frequent Network, providing service every 10 minutes or better on weekdays from 6 a.m. and 9…