KARACHI BUILDING &TOWN PLANNING REGULATIONS-2002

CHAPTER 21 – GENERAL STANDARDS: HIGHWAYS, MAJOR ROADS, BOULEVARDS, STREETS AND LANES 

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21-1. Pedestrian Lanes 

21-1.1. Thoroughfares intended exclusively for pedestrian traffic, referred to as "pedestrian lanes", and shall be at least 10 ft. (3m.) wide, as given in FIGURE-1. 

21-1.2. Pedestrian lanes, if abutting plots on both sides, shall have uninterrupted length not greater than 30 times its width provided that interruption shall be created by other pedestrian lane or vehicular street. 

21-1.3. The grade of pedestrian lanes in cross-section shall be level, and their longitudinal slope may not be greater than 5o, provided however, that:- 

21-1.3.1. If the slope of the terrain is greater than 5o, the difference in slope may be made up by an appropriate number of steps; the series of steps for each 5o higher slope shall be separated by a landing at least 6.5 ft. (1.97m) wide also there should be a ramp for wheel chair. 

21-1.3.2. If the lane is along double or single rows of plots in a terrain sloping more than 5%, the difference in slope may be made up by an appropriate number of steps at the bottom end of each double or single row of plots, as the case may be also. Also there should be ramp for wheel chair for special persons. 

21-2. One-Way Streets (Types A, B, C) 

21-2.1. As shown in FIGURE-2, Typical Street Cross-Sections, appended to this Part, Street Types A, B, and C shall be one way streets. 

21-2.2. Minimum width of one way street shall be 24ft.(7.31m) with parallel parking on one side only. 

21-2.3. One-way streets shall be intersected by vehicular streets at least every 500 ft.(152 m.) 

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21-3. Two way Streets (Types D, E, F, G) 

21-3.1. Minimum width of two way street excluding parking shall be 40ft. (12.18m) 

21-3.2.Street Type E (FIGURE-2) shall be so designed and maintained as to permit parallel parking on one side only.

21-4. HIGHWAYS, MAJOR ROADS AND BOULEVARD(TYPES-H, I & OTHERS) 

21-4.1. For Highways and major roads of not less than 100ft.(30m) right-of-way a permanent service road shall be provided on each side of the Highway/Boulevard. 

21-4.2. The width of side walks (a) shall depend on the pedestrian traffic volume. 

21-4.3. New width of green strip (b) in roads will depend on the nature and dimension of the utility lines to be laid under them. 

21-4.4. The width of the green median shall be at least 10 ft.(3m) as to provide adequate pedestrian refuge island at crossing but where necessary such strips may be released by separate train/LAT right-of-way. 

21-4.5. No direct access to highway or major roads will be allowed except through a service road at appropriate distances. 

21-4.6. Bus bays/lanes on all major roads shall be provided in consultation with Transport Department. 

21-5. Visibility at Cross Roads 

21-5.1. In the interests of pedestrian safety and vehicular traffic visibility at cross roads, no trees or any other impediment/structure will be planted within 30 ft. (9.13 m) of any street right-of-way limit. 

21-5.2. For the same purposes, except as otherwise provided in sub-clause, the borders of streets shall be champhered at such distances from their crossing as provided in sub-clause 25-1.02. 

21-6. Street Lines and Building Lines 

21-6.1. Street rights-of-way lines shall be regarded as distance between building lines of two front buildings except where building setback lines are established, pursuant to these Regulations or otherwise. 

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21-6.2. No structure or part of a structure of ground floor may project beyond such building line or building setback line.