Delaware Administrative Code
Title 2 - Transportation
2000 - Department of Transportation
2400 - Division of Transportation Solutions
2402 - Manual on Uniform Traffic Control Devices (MUTCD)
Part 3 - Marking
Chapter 3C - ROUNDABOUT MARKINGS
Section 3C.02 - White Lane Line Pavement Markings for Roundabouts

01 Multi-lane approaches to roundabouts shall have lane lines.

02 A through lane on a roadway that becomes a dropped lane (mandatory turn lane) at a roundabout shall be marked with a dotted white lane line in accordance with Section 3B.04.

Guidance:

03 Multi-lane roundabouts should have lane line markings within the circulatory roadway to channelize traffic to the appropriate exit lane.

Standard:

04 Continuous concentric lane lines shall not be used within the circulatory roadway of roundabouts.

Support:

05 Section 9C.04 contains information regarding bicycle lane markings at roundabouts.