Description Standard reflective delineator post, available in multiple colors. 
Typical Dimensions 27 in. - 36 in. high. 
Estimated Cost $20 - $25 / post (including base). 
Durability Pilot: 1 month to 1 year installation.

Bikeways Center delineator within the buffer zone along the edge of the bikeway. Typical spacing is every 8 - 20 ft, depending on the thoroughfare's design speed / bikeway configuration. Allow a minimum of 1.5 ft. clear width for installation. 
Median Islands Place approximately 2-3 ft. apart to demarcate median area. Provide a minimum 6 ft. break for crosswalk/pedestrian accessibility.
Curb Extensions / Plazas Place along edge of plaza or curb extension, approximately 1 post every 8 - 10 ft.
Roundabouts May be used to demarcate roundabout area, in conjunction with signs and other design elements.

Easily installed / removed: use adhesive for short-term projects, bolts for long-term projects; Make sure selected delineator is rated as "crashworthy." 
Minimal / no stormwater obstruction. 
Cities such as Chicago and Seattle use 27 in. model to reduce the chances of interfering with bicycle handlebars. 
May be removed in winter to facilitate snow removal. 
High visibility but durability / aesthetic quality can present challenges for longer-term pilot and interim design projects. 

Purchase from traffic control or construction equipment suppliers.