IMSA Signs & Markings II case studies
IMSA Signs & Markings II · Put your knowledge to work in context.
IMSA Signs & Markings II is a listed alias for the IMSA Signs & Pavement Markings Technician II credential, one of the certification areas the International Municipal Signal Association (IMSA) groups under "Signs and Markings." The IMSA homepage states that 24,000+ professionals currently hold IMSA certifications and names Signs and Markings among the certification areas it offers. The homepage also lists an "IMSA Signs & Pavement Markings Technician I" course event on November 16–17 in the Tri-State section, showing that IMSA delivers this subject through section-hosted training events. The IMSA Signs & Markings II case studies are 5 cases and about 3,950 words.
1Merge Taper Design for a Crest-Limited Lane Closure
A contractor will resurface the eastbound lane of a two-lane, two-way urban arterial posted at 45 mph. The work requires closing one 12-ft lane from 7:00 a.m.
915 words, about 5 min2All-Way Stop Petition at a High-Speed Rural-Suburban Intersection
You are reviewing a citizen petition requesting an all-way stop at a suburban intersection where a two-lane major road posted 55 mph meets a residential street posted 25 mph. The major road carries about 400 veh/h in the average of the highest eight hours; the residential street carries about 60 veh/h in those same eight hours.
645 words, about 3 min3Worn Markings on Light Concrete: Material and Retroreflectivity Decision
A four-lane undivided arterial built on light-colored concrete carries 26,000 vehicles per day at a posted 40 mph. About 22% of the volume is at night, and the corridor sees frequent rain.
915 words, about 5 min4Requested Midblock Crosswalk on a Four-Lane Arterial
Residents of an apartment complex have requested a marked midblock crosswalk across a four-lane suburban arterial, connecting a bus stop to a shopping center. The road is posted 40 mph and carries 32,000 vehicles per day, with two lanes in each direction separated by a two-way left-turn lane.
741 words, about 4 min5No-Passing Zone Delineation on a Curve-and-Crest Section
A rural two-lane, two-way road posted at 55 mph consists of a 1,200-ft tangent, followed by a 900-ft-radius horizontal curve, followed by a short vertical crest. Existing markings are a broken yellow centerline in a 10-ft line / 30-ft gap pattern carried continuously through the curve, with 4-inch white edge lines.
734 words, about 4 min