Residential District [Transportation] Law and Legal Definition

According to 49 CFR 390.5 [Title 49 – Transportation; Subtitle B -- Other Regulations Relating to Transportation; Chapter III -- Federal Motor Carrier Safety Administration, Department of Transportation; Subchapter B -- Federal Motor Carrier Safety Regulations; Part 390 -- Federal Motor Carrier Safety Regulations; General; Subpart A -- General Applicability and Definitions], residential district means “the territory adjacent to and including a highway which is not a business district and for a distance of 300 feet or more along the highway is primarily improved with residences.”