What is AHB level crossing?
ABCL and AOCL Both AOCL and ABCL crossings are protected by road traffic light signals along with an audible warning for pedestrians. As with AHB, the barriers on an ABCL only extend across the entrances to the crossing, leaving the exits clear, and are normally initiated automatically by an approaching train.
What is the height of height gauge at level crossing?
7.7 Height gauges: Height gauge should be erected suitably on either side of level crossing so as to ensure that all vehicles can pass with adequate clearance. The height gauge shall be located at a minimum distance of 8 m from the gate post.
What do you mean by level crossing and classify it?
Level crossings may be manned or unmanned. One or more gatemen are posted at manned level crossings to regulate the traffic. In an unmanned level crossing, there is no gateman and road users cross the railway line at their own risk after taking the necessary precautions.
What is the height of railway gate?
Its height shall be 2100 mm. from the rail level to the underside and the post on which it is fixed, painted with 300 mm. high bands in white and black. It shall not be lighted at night.
What is a FPs level crossing?
Footpath crossings (FPs) are for pedestrians and have a plethora of types including styles, wicket gates and open crossings.
What is the length of check rail?
Minimum length of check rail = 2.0 m more than the width of the gate.
What is the distance between two rails?
Distance between main lines: The minimum distance between two tracks is 3.50 m. This figure comes from the history of the railways.
What is CMS crossing in railway?
This specification covers the requirement of Cast Manganese Steel (CMS) Crossings for use in Railway Track.
What is the standard length of rail?
Indian Railways has standardized a rail length of 13 m (previously 12.8 m) for broad gauge and 12 m (previously 11.8 m) for MG and NG tracks. Theoretically, the longer the rail, the lesser the number of joints and fittings required, and the lesser the cost of construction and maintenance.
What are 3 ways railroad crossings are marked?
Types of Railroad Crossing Warnings
- Passive signs.
- Active warning signs.