(a) The engineering, maintenance and construction supervision for sidewalks leading to a school site shall be performed for the district by the State Highway Department except for snow removal. Such sidewalks may be located on land or rights-of-way under the control of the State Highway Department or on other land or rights-of-way provided for such purpose.(b) Sidewalks financed by issuance of bonds by a school board may be constructed only after the need for such sidewalks is ascertained by the school board by careful examination of transportation facilities in the district and the project has been approved by the State Highway Department and the Department of Education.(c) When considering granting approval for sidewalk construction, the local board and State Department of Education shall take into consideration the current rule governing permanent free bus transportation and shall make sure there is no overlapping. Both shall also consider frequency of exposure to traffic hazards and the possible existence of mechanical hazards. The procedure prescribed by § 2106 of this title must be fulfilled. 14 Del. C. 1953, § 2305; 52 Del. Laws, c. 99, § 2; 54 Del. Laws, c. 319, §§ 1, 2; 71 Del. Laws, c. 180, § 128.;