Intersection Buffers Image Source: Google Earth – MN 95, Minnesota DEFINITION AND DESCRIPTION Intersection buffer treatments can be applied at rural, high-speed intersections with side-street stop control. They narrow the mainline approach intersections by adding a...
Speed Tables and Raised Crosswalks Source: Google Earth, Lexington, KY DEFINITION AND DESCRIPTION A speed table is a raised area installed across the roadway to limit vehicle speeds. It extends across the roadway and has a flat top sufficiently long (typically, 10...
Speed Hump Image Source: Louisville Metro Public Works DEFINITION AND DESCRIPTION A speed hump is an elongated mound in the roadway pavement surface that extends across the travel way perpendicular to the traffic flow. A speed hump discourages speeding by producing...
Raised Intersections Image Source: NACTO DEFINITION AND DESCRIPTION A raised intersection functions like a speed table but extends across the full width of the intersection.. Ramps are installed on each approach, and the intersection elevation is flush with the...
Using Traffic Signal Timing to Meet Target Speeds DEFINITION AND DESCRIPTION Conventional traffic calming techniques are not usually applicable for controlling speeds on urban and suburban arterials. Due to the presence of vulnerable road users on these facilities,...
Two-Way Left Turn Lane (TWLTL) Restrictions DEFINITION AND DESCRIPTION Two-way left-turn lanes (TWLTLs) enhance safety and traffic flow at locations with moderate traffic volumes and moderate to high access point densities. They are typically installed when access...
