Regulations of Connecticut State Agencies
(a) A normal broken white line shall be used to delineate the edge of a travel path where travel is permitted in the same direction on both sides of the line.
(b) A normal broken yellow line shall be used to delineate the left edge of a travel path where travel on the other side of the line is in the opposite direction and where crossing the centerline marking for passing with care is permitted for traffic traveling in either direction.
(c) A normal solid white line shall be used to delineate the edge of a travel path where travel in the same direction is permitted on both sides of the line but crossing the line is discouraged and as a right pavement edge marking. A wide solid white line is used for emphasis where the crossing requires unusual care.
(d) A double solid white line shall be used to delineate a travel path where travel in the same direction is permitted on both sides of the line, but crossing the line is prohibited.
(e) A double line consisting of a normal broken yellow line and a normal solid yellow line delineates a separation between travel paths in opposite directions where overtaking and passing is permitted with care for traffic adjacent to the broken line and is prohibited for traffic adjacent to the solid line. This is a one direction no-passing marking. It is used on a two-way, two and three-lane roadways to regulate passing and to delineate the edges of a lane in which travel in either direction is permitted. In the latter application, the markings are to be placed with the solid lines on the outside and the dashed lines on the inside of the lane. Traffic adjacent to the solid line may cross this marking with care only as part of a left-turn maneuver.
(f) A double line consisting of two normal solid yellow lines delineates the separation between travel paths in opposite directions where overtaking and passing is prohibited in both directions. This is a two direction no- passing marking. Crossing this marking with care is permitted only as part of a left-turn maneuver.
(g) A double normal broken yellow line delineates the edge of a lane in which the direction of travel is changed from time to time in such a way that the line serves as the centerline during some period. Its use is for a reversible lane.
(h) A normal dotted line shall be used to delineate the extension of a line through an intersection or interchange area. It shall be the same color as the line it extends.
(i) A solid yellow line delineates the left edge of a travel path to indicate a restriction against passing on the left or delineates the left edge of each roadway of divided streets or highways, one-way roadways and ramps, in the direction of travel.
(Effective November 3, 1982; Amended December 23, 2005)