Note:
(a) "I have watched many a young mum struggling to get a pram along it - their child's head juddering with every bump."
judder (vi; probably alteration of shudder; First Known Use 1931):
"chiefly British : to vibrate with intensity <the engine stalled and kept juddering — Roy Spicer>" http://www.merriam-webster.com/dictionary/judder
(b) "As Roberto Giacobbi put it, the cobbles are part of the pride of Rome."