12-2-4: STREET ALIGNMENT:
   A.   Street Jogs: Street jogs with centerline offsets of less than one hundred twenty five feet (125') shall be avoided.
   B.   Tangent: A tangent of not less than one hundred feet (100') in length shall be introduced between reverse curves on arterial and collector streets.
   C.   Clear Sight Distance: Minimum clear sight distance, measured along the chord of the centerline, shall be provided on all streets as follows:
 
Arterial streets
400 feet
Collector streets
350 feet
Minor streets
250 feet
 
(1987 Code § 12-413)