City of Chicago Complaint Hotline
Phone: 311 (if you are local to Chicago) or 312-744-5000
Website: http://cityofchicago.org/311
City of Dallas Complaint Hotline
Phone: 311
Website: http://dallascityhall.com/departments/codecompliance/Pages/transportation_regulation.aspx
Dallas Fort Worth Airport Complaint Hotline
To provide comments or file a complaint with D/FW Airport, call Airport Ground Transportation.
Phone: 972-973-4078
Dallas Love Field Airport Complaint Hotline
To provide comments or file a complaint a complaint with Love Field Airport, call Airport Ground Transportation.
Phone: 214-671-1297
Seattle Finance and Administration Services, Consumer Protection Unit
Phone: (206) 684-2489
email: consumerprotection@seattle.gov
Website: http://www.seattle.gov