. Wacker's manual of the plan of Chicago; municipal economy . rst constructive work link, at the close of this chapter. Twelfth street, the first section of thequadrangle, is being developed under theChicago Plan. It is to be widened and ar- PERFECTING OUR STREET SYSTEM 107 ranged to bear easily a heavier traffic thanthat which now makes it a badly congestedstreet. The widening of Twelfth street isthe iaitial step in the constructive work ofdeveloping the plan as a whole and bearsa relationship to the whole scheme of streetconstruction and street widening. The necessity for the improvement oft
. Wacker's manual of the plan of Chicago; municipal economy . rst constructive work link, at the close of this chapter. Twelfth street, the first section of thequadrangle, is being developed under theChicago Plan. It is to be widened and ar- PERFECTING OUR STREET SYSTEM 107 ranged to bear easily a heavier traffic thanthat which now makes it a badly congestedstreet. The widening of Twelfth street isthe iaitial step in the constructive work ofdeveloping the plan as a whole and bearsa relationship to the whole scheme of streetconstruction and street widening. The necessity for the improvement ofthat street lies in the fact that it is theonly through thoroughfare between Harri- must be made for a suitable outlet from-that district to the present business centerof the city. Twelfth street from Ashland avenue toMichigan avenue is at present 66 feet widebetween building lines with the exceptionof the blocks between State street andMichigan avenue, where the street is but 50feet wide; 39 feet wide between sidewalkcurbs and only nine feet and nine inches. c/foss ? J£:cr/o// J ^/slmjvz> »TropM »^OL£^ . \sTf^S£T CA^ T/j^CMS « s ^/SLAAr£> fLATrOHM FLy4/^ //£h^. K 1 IT CHICAGO Plan of the new Twelfth Street. Top diagram shows sidewalks 14 feet and 26-foot roadwayon either side with a 20-foot strip in the center for double street car line and bracket trolley poles. Planbelow shows islands on both sides of the car tracks at the intersection of each street for safety in enteringand leaving street oars. Dimension of island 4 by 60 feet. Car tracks at street level, with free access fortraffic to either side. [Prepared for the Chicago Plan Commission.] son and Eighteenth streets connecting thewest side with the down town district. Theactual heart of the citys population todayis a little north of the corner of Twelfthand Halsted streets. Traffic and the citysgrowth are gradually moving in a south-westerly direction. Adequate provision wide between the street car step
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