Conn. Gen. Stat. § 14-235: Vehicle not to be driven on left side of highway on curve or upgrade.

No vehicle shall be driven to the left side of the highway (1) when approaching the crest of a grade or upon a curve or elsewhere in the highway where a free and unobstructed view of the highway ahead may not be had for a sufficient distance to insure driving with safety or (2) when approaching within one hundred feet of or crossing any intersection or railroad grade crossing. These limitations shall not apply on a one-way street or highway so designated by any traffic authority. Violation of any provision of this section shall be an infraction.