In the United States, road signs are, for the most part, standardized by federal regulations, most notably in the Manual on Uniform Traffic Control Devices (MUTCD) and its companion volume the Standard Highway Signs (SHS).

The Aluminum Detour (Left Arrow) Sign (M4-9L) features two top and bottom centered, pre-punched mounting holes and can be easily installed on a post, wall, or fence. Used to direct drivers to a detour in the designated roadway. With standard federal radius corners and 3M™ reflective sheeting, this sign meets MUTCD specifications and is ...

MUTCD Compliant Detour Sign with Arrow - X-M4-9L - from RoadTrafficSigns.com Review 4.8 stars from 22,097 reviews. 888-343-3771 Mon - Fri 8:00am to 7:00pm EST

2018年11月14日 · Buy Detour with Left Turn Arrow Traffic Sign 30 inch x 24 inch HI Sheeting .080 Aluminum: MUTCD M4-9L: Signs - Amazon.com FREE DELIVERY possible on eligible purchases

Order a high-quality Detour Sign (Left Arrow) M4-9L from TrafficSign.com. Shop thousands of MUTCD-compliant traffic signs in stock today with fast shipping.

Learn the meaning of traffic signs: regulatory signs, warning signs, construction signs, guide signs and service signs. Study for your DMV test. Take a free road signs practice test!

M4-9L, Detour Left Arrow on an orange background and black wording and arrow. • Dimensions: 30X24 inches and .080 inches thick. • Reflective Sheeting Type: Type III-IV, High Intensity, or Type VII Fluorescent Orange. • Signs are made from rust resistant aluminum. • Holes are pre-punched. • Type III-IV and Type VII are rated for 10 years.

These road signs reinforce traffic laws, regulations or requirements and are available in various sizes and reflectivity levels, informing drivers of traffic laws and regulations in force. MUTCD compliant road and traffic signs most ready to ship the same day. Cheap Street Signs uses only .080″ rustproof aluminum.

The TC-9L must be installed at locations where traffic is diverted around work areas, largely or entirely within the highway right of way. The sign indicates the vehicle path to be followed.

The Detour Left construction sign (M4-9L) is typically used when a detour route has been established, detour with left arrow. 24" x 18" Engineer or diamond grade reflective aluminum signs. Black letters and arrow on an orange background sign.