A retractable, reflective pavement marker for delineating traffic lanes of roadways and a method of installing the same that provides improved protection from potentially damaging vehicle tires, snowplows, and environmental conditions. The marker incorporates a reflector assembly mounted to a piston that is depressible within a housing. A biasing member returns the reflector assembly to its normal position above the road surface. A compliant adhesive cooperates with an adhesive lock formed between the housing and the opening to ensure that the marker is reliably retained within the pavement. The adhesive and a chamfered opening prevent pavement spalling due to external forces. The housing includes a removable retainer through which the piston is reciprocally received. The retainer includes a plurality of coarsely pitched lead-in threads that cooperate with a threaded housing. Multiple lead-in threads provide sufficient thread engagement, while substantially decreasing the number of rotations to achieve full engagement.

A retractable, reflective pavement marker for delineating traffic lanes of roadways and a method of installing the same that provides improved protection from potentially damaging vehicle tires, snowplows, and environmental conditions. The marker incorporates a reflector assembly mounted to a piston that is depressible within a housing. A biasing member returns the reflector assembly to its normal position above the road surface. A compliant adhesive cooperates with an adhesive lock formed between the housing and the opening to ensure that the marker is reliably retained within the pavement. The adhesive and a chamfered opening prevent pavement spalling due to external forces. The housing includes a removable retainer through which the piston is reciprocally received. The retainer includes a plurality of coarsely pitched lead-in threads that cooperate with a threaded housing. Multiple lead-in threads provide sufficient thread engagement, while substantially decreasing the number of rotations to achieve full engagement.

A road marker device comprising: a housing comprising a flat top surface and configured to be inserted in a road such that the flat top surface is leveled with the road surface; a light source housing operatively coupled with the housing, the light source housing comprising at least one aperture protruding from the flat top surface; at least one light source installed in the light source housing, wherein the at least one light source is visible to users of the road through the at least one aperture; and a tilt mechanism installed in the housing and operatively coupled with the light source housing, the tilt mechanism configured to allow descent of the light source housing below the road surface once a pressure is applied on the light source housing.

A road marker device comprising: a housing comprising a flat top surface and configured to be inserted in a road such that the flat top surface is leveled with the road surface; a light source housing operatively coupled with the housing, the light source housing comprising at least one aperture protruding from the flat top surface; at least one light source installed in the light source housing, wherein the at least one light source is visible to users of the road through the at least one aperture; and a tilt mechanism installed in the housing and operatively coupled with the light source housing, the tilt mechanism configured to allow descent of the light source housing below the road surface once a pressure is applied on the light source housing.

A road marker device comprising: a housing comprising a flat top surface and configured to be inserted in a road such that the flat top surface is leveled with the road surface; a light source housing operatively coupled with the housing, the light source housing comprising at least one aperture protruding from the flat top surface; at least one light source installed in the light source housing, wherein the at least one light source is visible to users of the road through the at least one aperture; and a tilt mechanism installed in the housing and operatively coupled with the light source housing, the tilt mechanism configured to allow descent of the light source housing below the road surface once a pressure is applied on the light source housing.

A road marker device comprising: a housing comprising a flat top surface and configured to be inserted in a road such that the flat top surface is leveled with the road surface; a light source housing operatively coupled with the housing, the light source housing comprising at least one aperture protruding from the flat top surface; at least one light source installed in the light source housing, wherein the at least one light source is visible to users of the road through the at least one aperture; and a tilt mechanism installed in the housing and operatively coupled with the light source housing, the tilt mechanism configured to allow descent of the light source housing below the road surface once a pressure is applied on the light source housing.

The present disclosure relates to a speed bump and a speed bump transportation system. The speed bump comprises: a base; a cover disposed opposite to the base and configured to be movable relative to the base; an electric-power generation device associated with the cover to scavenge energy through the cover and convert the energy into electrical energy; a first detection device for detecting a force condition of the cover and sending a first detection signal to a communication device when the cover is pressed; the communication device electrically connected to the first detection device and for sending a first communication signal when receiving the first detection signal, wherein the electric-power generation device is electrically connected to the communication device and the first detection device respectively to supply electric-power to the communication device and the first detection device.

The present disclosure relates to a speed bump and a speed bump transportation system. The speed bump comprises: a base; a cover disposed opposite to the base and configured to be movable relative to the base; an electric-power generation device associated with the cover to scavenge energy through the cover and convert the energy into electrical energy; a first detection device for detecting a force condition of the cover and sending a first detection signal to a communication device when the cover is pressed; the communication device electrically connected to the first detection device and for sending a first communication signal when receiving the first detection signal, wherein the electric-power generation device is electrically connected to the communication device and the first detection device respectively to supply electric-power to the communication device and the first detection device.

A road marker device comprising: a housing comprising a flat top surface and configured to be inserted in a road such that the flat top surface is leveled with the road surface; a light source housing operatively coupled with the housing, the light source housing comprising at least one aperture protruding from the flat top surface; at least one light source installed in the light source housing, wherein the at least one light source is visible to users of the road through the at least one aperture; and a tilt mechanism installed in the housing and operatively coupled with the light source housing, the tilt mechanism configured to allow descent of the light source housing below the road surface once a pressure is applied on the light source housing.

A road marker device comprising: a housing comprising a flat top surface and configured to be inserted in a road such that the flat top surface is leveled with the road surface; a light source housing operatively coupled with the housing, the light source housing comprising at least one aperture protruding from the flat top surface; at least one light source installed in the light source housing, wherein the at least one light source is visible to users of the road through the at least one aperture; and a tilt mechanism installed in the housing and operatively coupled with the light source housing, the tilt mechanism configured to allow descent of the light source housing below the road surface once a pressure is applied on the light source housing.